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Russian: Исаак Азимов
c. January 2, 1920[a]
Petrovichi, Klimovichskiy Uyezd, Russian SFSR
|Died||April 6, 1992(1992-04-06) (aged 72)
Brooklyn, New York City, U.S.
|Occupation||Writer, professor of biochemistry|
|Nationality||Russian (early years), American|
|Alma mater||Columbia University|
|Genre||Science fiction (hard SF, social SF), mystery, popular science|
|Subject||Popular science, science textbooks, essays, history, literary criticism|
|Literary movement||Golden Age of Science Fiction|
|Thesis||The kinetics of the reaction inactivation of tyrosinase during its catalysis of the aerobic oxidation of catechol (1948)|
|Doctoral advisor||Charles Reginald Dawson|
|Other academic advisors||Robert Elderfield (post-doctoral)|
Isaac Asimov (//;[b][c] c. January 2, 1920[a] – April 6, 1992) was an American writer and professor of biochemistry at Boston University. He was known for his works of science fiction and popular science. Asimov was a prolific writer who wrote or edited more than 500 books and an estimated 90,000 letters and postcards.[d] His books have been published in 9 of the 10 major categories of the Dewey Decimal Classification.
Asimov wrote hard science fiction. Along with Robert A. Heinlein and Arthur C. Clarke, Asimov was considered one of the "Big Three" science fiction writers during his lifetime. Asimov's most famous work is the "Foundation" series, the first three books of which won the one-time Hugo Award for "Best All-Time Series" in 1966. His other major series are the "Galactic Empire" series and the Robot series. The Galactic Empire novels are set in earlier history of the same fictional universe as the Foundation series. Later, with Foundation and Earth (1986), he linked this distant future to the Robot stories, creating a unified "future history" for his stories much like those pioneered by Robert A. Heinlein and previously produced by Cordwainer Smith and Poul Anderson. He also wrote hundreds of short stories, including the social science fiction novelette "Nightfall", which in 1964 was voted the best short science fiction story of all time by the Science Fiction Writers of America. Asimov wrote the Lucky Starr series of juvenile science-fiction novels using the pen name Paul French.
Asimov also wrote mysteries and fantasy, as well as much nonfiction. Most of his popular science books explain concepts in a historical way, going as far back as possible to a time when the science in question was at its simplest stage. Examples include Guide to Science, the three-volume set Understanding Physics, and Asimov's Chronology of Science and Discovery. He wrote on numerous other scientific and non-scientific topics, such as chemistry, astronomy, mathematics, history, biblical exegesis, and literary criticism.
He was president of the American Humanist Association. The asteroid 5020 Asimov, a crater on the planet Mars, a Brooklyn elementary school, and a literary award are named in his honor.
Family name etymology
Asimov's family name derives from the first part of ozimyi khleb (озимый хлеб), meaning the winter grain (specifically rye) in which his great-great-great-grandfather dealt, with the Russian patronymic ending -ov added. Azimov is spelled Азимов in the Cyrillic alphabet. When the family arrived in the United States in 1923 and their name had to be spelled in the Latin alphabet, Asimov's father spelled it with an S, believing this letter to be pronounced like Z (as in German), and so it became Asimov.[c] This later inspired one of Asimov's short stories, "Spell My Name with an S."
Asimov refused early suggestions of using a more common name as a pseudonym, and believed that its recognizability helped his career. After becoming famous, he often met readers who believed that "Isaac Asimov" was a distinctive pseudonym created by an author with a common name.
Asimov's parents were Anna Rachel (née Berman) and Judah Asimov, a family of Jewish millers. He was named Isaac after his mother's father, Isaac Berman. When he was born, his family lived in Petrovichi near Klimovichi, which was then Gomel Governorate in the Russian Soviet Federative Socialist Republic (now Smolensk Oblast, Russia). Asimov wrote of his father, "My father, for all his education as an Orthodox Jew, was not Orthodox in his heart", noting that "he didn't recite the myriad prayers prescribed for every action, and he never made any attempt to teach them to me".
In 1921, Asimov and 16 other children in Petrovichi developed double pneumonia. Only Asimov survived. He later had two younger siblings: a sister, Marcia (born Manya, June 17, 1922 – April 2, 2011), and a brother, Stanley (July 25, 1929 – August 16, 1995), who was vice-president of the Long Island Newsday.
Asimov's family travelled to the United States via Liverpool on the RMS Baltic, arriving on February 3, 1923 when he was three years old. Since his parents always spoke Yiddish and English with him, he never learned Russian, but he remained fluent in Yiddish as well as English. Growing up in Brooklyn, New York, Asimov taught himself to read at the age of five (and later taught his sister to read as well, enabling her to enter school in the second grade). His mother got him into first grade a year early by claiming he was born on September 7, 1919. In third grade he learned about the "error" and insisted on an official correction of the date to January 2.
After becoming established in the U.S., his parents owned a succession of candy stores in which everyone in the family was expected to work. The candy stores sold newspapers and magazines, a fact that Asimov credited as a major influence in his lifelong love of the written word, as it presented him with an unending supply of new reading material as a child that he could not have otherwise afforded. He became a naturalized U.S. citizen in 1928 at the age of eight.
Education and career
Asimov attended New York City public schools from age 5, including Boys High School in Brooklyn. Graduating at 15, he attended the City College of New York for several days before accepting a scholarship at Seth Low Junior College, a branch of Columbia University in Downtown Brooklyn designed to absorb some of the Jewish and Italian-American students who applied to Columbia College, then the institution's primary undergraduate school for men. Jewish and Italian-American students, even of outstanding academic caliber, were deliberately barred from Columbia College proper because of the then-popular practice of imposing unwritten, racist and ethnocentric quotas. Originally a zoology major, Asimov switched to chemistry after his first semester as he disapproved of "dissecting an alley cat". After Seth Low Junior College closed in 1938, Asimov finished his Bachelor of Science degree at University Extension (later the Columbia University School of General Studies) in 1939.
After two rounds of rejections by medical schools, in 1939, Asimov applied to the graduate program in chemistry at Columbia; initially rejected and then accepted only on a probationary basis, he completed his Master of Arts degree in chemistry in 1941 and earned a Doctor of Philosophy degree in chemistry in 1948.[e] (During his chemistry studies he also learned French and German.)
In between earning these two degrees, Asimov spent three years during World War II working as a civilian chemist at the Philadelphia Navy Yard's Naval Air Experimental Station, living in the Walnut Hill section of West Philadelphia from 1942 to 1945. In September 1945, he was drafted into the U.S. Army; if he had not had his birth date corrected while at school, he would have been officially 26 years old and ineligible. In 1946, a bureaucratic error caused his military allotment to be stopped, and he was removed from a task force days before it sailed to participate in Operation Crossroads nuclear weapons tests at Bikini Atoll. He served for almost nine months before receiving an honorable discharge on July 26, 1946.[f] He had been promoted to corporal on July 11.
After completing his doctorate and a postdoc year, Asimov joined the faculty of the Boston University School of Medicine in 1949, teaching biochemistry with a $5,000 salary (equivalent to $52,650 in 2018), with which he remained associated thereafter. By 1952, however, he was making more money as a writer than from the university, and he eventually stopped doing research, confining his university role to lecturing students.[g] In 1955 he was promoted to associate professor, which gave him tenure. In December 1957 Asimov was dismissed from his teaching post, with effect from 30 June 1958, because he had stopped doing research. After a struggle which lasted for two years he kept his title, and on 18 October 1979, the university honored his writing by promoting him to full professor of biochemistry. Asimov's personal papers from 1965 onward are archived at the university's Mugar Memorial Library, to which he donated them at the request of curator Howard Gotlieb.
In 1959, after a recommendation from Arthur Obermayer, Asimov's friend and a scientist on the U.S. missile protection project, Asimov was approached by DARPA to join Obermayer's team. Asimov declined on the grounds that his ability to write freely would be impaired should he receive classified information. However, he did submit a paper to DARPA titled "On Creativity" containing ideas on how government-based science projects could encourage team members to think more creatively.
Asimov met his first wife, Gertrude Blugerman (1917, Toronto, Canada – 1990, Boston, U.S.), on a blind date on February 14, 1942, and married her on July 26 the same year. The couple lived in an apartment in West Philadelphia while Asimov was employed at the Philadelphia Navy Yard (where two of his co-workers were L. Sprague de Camp and Robert A. Heinlein). Gertrude returned to Brooklyn while he was in the army, and they both lived there from July 1946, before moving to Stuyvesant Town, Manhattan, in July 1948. They moved to Boston in May 1949, then to nearby suburbs Somerville in July 1949, Waltham in May 1951, and finally West Newton in 1956. They had two children, David (born 1951) and Robyn Joan (born 1955). In 1970, they separated, and Asimov moved back to New York, this time to the Upper West Side of Manhattan, where he lived for the rest of his life. He immediately began seeing Janet O. Jeppson and married her on November 30, 1973, two weeks after his divorce from Gertrude.
Asimov was a claustrophile: he enjoyed small, enclosed spaces.[h] In the third volume of his autobiography, he recalls a childhood desire to own a magazine stand in a New York City Subway station, within which he could enclose himself and listen to the rumble of passing trains while reading.
Asimov was afraid of flying, doing so only twice: once in the course of his work at the Naval Air Experimental Station and once returning home from Oahu in 1946. Consequently, he seldom traveled great distances. This phobia influenced several of his fiction works, such as the Wendell Urth mystery stories and the Robot novels featuring Elijah Baley. In his later years, Asimov found enjoyment traveling on cruise ships, beginning in 1972 when he viewed the Apollo 17 launch from a cruise ship. On several cruises, he was part of the entertainment program, giving science-themed talks aboard ships such as the RMS Queen Elizabeth II.
Asimov was an able public speaker and was regularly paid to give talks about science. He was a frequent fixture at science fiction conventions, where he was friendly and approachable. He patiently answered tens of thousands of questions and other mail with postcards and was pleased to give autographs. He was of medium height (5 ft 9 in (1.75 m)), stocky, with – in his later years – "mutton-chop" sideburns, and a distinct New York accent. He took to wearing bolo ties after his wife Janet objected to his clip-on bow ties. His physical dexterity was very poor. He never learned to swim or ride a bicycle; however, he did learn to drive a car after he moved to Boston. In his humor book Asimov Laughs Again, he describes Boston driving as "anarchy on wheels."
Asimov's wide interests included his participation in his later years in organizations devoted to the comic operas of Gilbert and Sullivan and in The Wolfe Pack, a group of devotees of the Nero Wolfe mysteries written by Rex Stout. Many of his short stories mention or quote Gilbert and Sullivan. He was a prominent member of The Baker Street Irregulars, the leading Sherlock Holmes society, for whom he wrote an essay arguing that Professor Moriarty's work "The Dynamics of An Asteroid" involved the willful destruction of an ancient civilized planet. He was also a member of the all-male literary banqueting club the Trap Door Spiders, which served as the basis of his fictional group of mystery solvers, the Black Widowers. He later used his essay on Moriarty's work as the basis for a Black Widowers story, "The Ultimate Crime", which appeared in More Tales of the Black Widowers.
In 1984, the American Humanist Association (AHA) named him the Humanist of the Year. He was one of the signers of the Humanist Manifesto. From 1985 until his death in 1992, he served as president of the AHA, an honorary appointment. His successor was his friend and fellow writer Kurt Vonnegut. He was also a close friend of Star Trek creator Gene Roddenberry, and earned a screen credit as "special science consultant" on Star Trek: The Motion Picture for advice he gave during production.
Asimov was a founding member of the Committee for the Scientific Investigation of Claims of the Paranormal, CSICOP (now the Committee for Skeptical Inquiry) and is listed in its Pantheon of Skeptics. In a discussion with James Randi at CSICon 2016 regarding the founding of CSICOP, Kendrick Frazier said that Asimov was "a key figure in the Skeptical movement who is less well known and appreciated today, but was very much in the public eye back then." He said that Asimov being associated with CSICOP "gave it immense status and authority" in his eyes.:13:00
Asimov described Carl Sagan as one of only two people he ever met whose intellect surpassed his own. The other, he claimed, was the computer scientist and artificial intelligence expert Marvin Minsky. Asimov was a long-time member and vice president of Mensa International, albeit reluctantly; he described some members of that organization as "brain-proud and aggressive about their IQs".
Illness and death
In 1977, Asimov suffered a heart attack. In December 1983, he had triple bypass surgery at NYU Medical Center, during which he contracted HIV from a blood transfusion. When his HIV status was understood, his physicians warned that if he publicized it, the anti-AIDS prejudice would likely extend to his family members. He died in New York City on April 6, 1992 and was cremated.
He was survived by his siblings, his second wife Janet Asimov, and his children from his first marriage. His brother Stanley reported the cause of death as heart and kidney failure. The family chose not to disclose that these were complications of AIDS, because within two days, on April 8, Arthur Ashe announced his own HIV infection (also contracted in 1983 from a blood transfusion during heart bypass surgery), which resulted in much public controversy; also doctors continued to insist on secrecy. Ten years later, after most of Asimov's physicians had died, Janet and Robyn Asimov agreed that the HIV story should be made public; Janet revealed it in her edition of his autobiography, It's Been a Good Life.
[T]he only thing about myself that I consider to be severe enough to warrant psychoanalytic treatment is my compulsion to write ... That means that my idea of a pleasant time is to go up to my attic, sit at my electric typewriter (as I am doing right now), and bang away, watching the words take shape like magic before my eyes.— Asimov, 1969
Asimov's career can be divided into several periods. His early career, dominated by science fiction, began with short stories in 1939 and novels in 1950. This lasted until about 1958, all but ending after publication of The Naked Sun (1957). He began publishing nonfiction in 1952, co-authoring a college-level textbook called Biochemistry and Human Metabolism. Following the brief orbit of the first man-made satellite Sputnik I by the USSR in 1957, his production of nonfiction, particularly popular science books, greatly increased, with a consequent drop in his science fiction output. Over the next quarter century, he wrote only four science fiction novels, while writing over 120 nonfiction books. Starting in 1982, the second half of his science fiction career began with the publication of Foundation's Edge. From then until his death, Asimov published several more sequels and prequels to his existing novels, tying them together in a way he had not originally anticipated, making a unified series. There are, however, many inconsistencies in this unification, especially in his earlier stories.
Asimov believed his most enduring contributions would be his "Three Laws of Robotics" and the Foundation series. Furthermore, the Oxford English Dictionary credits his science fiction for introducing into the English language the words "robotics", "positronic" (an entirely fictional technology), and "psychohistory" (which is also used for a different study on historical motivations). Asimov coined the term "robotics" without suspecting that it might be an original word; at the time, he believed it was simply the natural analogue of words such as mechanics and hydraulics, but for robots. Unlike his word "psychohistory", the word "robotics" continues in mainstream technical use with Asimov's original definition. Star Trek: The Next Generation featured androids with "positronic brains" and the first-season episode "Datalore" called the positronic brain "Asimov's dream".
I began as a science fiction writer, and for the first eleven years of my literary career I wrote nothing but science fiction stories— Asimov, 1972
Asimov became a science fiction fan in 1929, when he began reading the pulp magazines sold in his family's candy store. His father forbade reading pulps as he considered them to be trash, until Asimov persuaded him that because the science fiction magazines had "Science" in the title, they must be educational. At age 18 he joined the Futurians science fiction fan club, where he made friends who went on to become science fiction writers or editors.
Asimov began writing at the age of 11. His first published work was a humorous item on the birth of his brother for Boys High School's literary journal in 1934. In May 1937 he first thought of writing professionally, and began writing his first science fiction story, "Cosmic Corkscrew" (now lost), that year. On 17 May 1938, puzzled by a change in the schedule of Astounding Science Fiction, Asimov visited its publisher Street & Smith Publications. Inspired by the visit, he finished the story on 19 June 1938 and personally submitted it to Astounding editor John W. Campbell two days later. Campbell met with Asimov for more than an hour and promised to read the story himself. Two days later he received a rejection letter explaining why in detail. This was the first of what became almost weekly meetings with the editor while Asimov lived in New York, until moving to Boston in 1949; Campbell had a strong formative influence on Asimov and became a personal friend.
By the end of the month Asimov completed a second story, "Stowaway". Campbell rejected it on 22 July but—in "the nicest possible letter you could imagine"—encouraged him to continue writing, promising that Asimov might sell his work after another year and a dozen stories of practice. In October 1938, he sold the third story he finished, "Marooned Off Vesta", to Amazing Stories, edited by Raymond A. Palmer, and it appeared in the March 1939 issue. Asimov was paid $64 (equivalent to $1,139 in 2018), or one cent a word. Two more stories appeared that year, "The Weapon Too Dreadful to Use" in the May Amazing and "Trends" in the July Astounding, the issue fans later selected as the start of the Golden Age of Science Fiction. For 1940, ISFDB catalogs seven stories in four different pulp magazines, including one in Astounding. His earnings became enough to pay for his education, but not yet enough for him to become a full-time writer.
Asimov later said that unlike other top Golden Age writers Robert Heinlein and A. E. van Vogt—also first published in 1939, and whose talent and stardom were immediately obvious—he "(this is not false modesty) came up only gradually". Through 29 July 1940, Asimov wrote 22 stories in 25 months, of which 13 were published; he wrote in 1972 that from that date he never wrote a science fiction story that was not published (except for two "special cases").[i] He was famous enough that Donald Wollheim told Asimov that he purchased "The Secret Sense" for a new magazine only because of his name, and the December 1940 issue of Astonishing—featuring Asimov's name in bold—was the first magazine to base cover art on his work, but Asimov later said that neither he himself nor anyone else—except perhaps Campbell—considered him better than an often published "third rater".
Based on a conversation with Campbell, Asimov wrote "Nightfall", his 32nd story, in March and April 1941, and Astounding published it in September 1941. In 1968 the Science Fiction Writers of America voted "Nightfall" the best science fiction short story ever written. In Nightfall and Other Stories Asimov wrote, "The writing of 'Nightfall' was a watershed in my professional career. ... . I was suddenly taken seriously and the world of science fiction became aware that I existed. As the years passed, in fact, it became evident that I had written a 'classic'." "Nightfall" is an archetypal example of social science fiction, a term he created to describe a new trend in the 1940s, led by authors including him and Heinlein, away from gadgets and space opera and toward speculation about the human condition.
After writing "Victory Unintentional" in January and February 1942, Asimov did not write another story for a year. Asimov expected to make chemistry his career, and was paid $2,600 annually at the Philadelphia Navy Yard, enough to marry his girlfriend; he did not expect to make much more from writing than the $1,788.50 he had earned from 28 stories sold over four years. Asimov left science fiction fandom and no longer read new magazines, and might have left the industry had not Heinlein and de Camp been coworkers and previously sold stories continued to appear. In 1942, Asimov published the first of his Foundation stories—later collected in the Foundation trilogy: Foundation (1951), Foundation and Empire (1952), and Second Foundation (1953). The books recount the fall of a vast interstellar empire and the establishment of its eventual successor. They also feature his fictional science of psychohistory, in which the future course of the history of large populations can be predicted. The trilogy and Robot series are his most famous science fiction. In 1966 they won the Hugo Award for the all-time best series of science fiction and fantasy novels. Campbell raised his rate per word, Orson Welles purchased rights to "Evidence", and anthologies reprinted his stories. By the end of the war Asimov was earning as a writer an amount equal to half of his Navy Yard salary, even after a raise, but Asimov still did not believe that writing could support him, his wife, and future children.
His "positronic" robot stories—many of which were collected in I, Robot (1950)—were begun at about the same time. They promulgated a set of rules of ethics for robots (see Three Laws of Robotics) and intelligent machines that greatly influenced other writers and thinkers in their treatment of the subject. Asimov notes in his introduction to the short story collection The Complete Robot (1982) that he was largely inspired by the almost relentless tendency of robots up to that time to fall consistently into a Frankenstein plot in which they destroyed their creators.
The robot series has led to film adaptations. With Asimov's collaboration, in about 1977, Harlan Ellison wrote a screenplay of I, Robot that Asimov hoped would lead to "the first really adult, complex, worthwhile science fiction film ever made". The screenplay has never been filmed and was eventually published in book form in 1994. The 2004 movie I, Robot, starring Will Smith, was based on an unrelated script by Jeff Vintar titled Hardwired, with Asimov's ideas incorporated later after the rights to Asimov's title were acquired. (The title was not original to Asimov but had previously been used for a story by Eando Binder.) Also, one of Asimov's robot short stories, "The Bicentennial Man", was expanded into a novel The Positronic Man by Asimov and Robert Silverberg, and this was adapted into the 1999 movie Bicentennial Man, starring Robin Williams.
Besides movies, his Foundation and Robot stories have inspired other derivative works of science fiction literature, many by well-known and established authors such as Roger MacBride Allen, Greg Bear, Gregory Benford, David Brin, and Donald Kingsbury. At least some of these appear to have been done with the blessing of, or at the request of, Asimov's widow, Janet Asimov.
In 1948, he also wrote a spoof chemistry article, "The Endochronic Properties of Resublimated Thiotimoline". At the time, Asimov was preparing his own doctoral dissertation, and for the oral examination to follow that. Fearing a prejudicial reaction from his graduate school evaluation board at Columbia University, Asimov asked his editor that it be released under a pseudonym, yet it appeared under his own name. Asimov grew concerned at the scrutiny he would receive at his oral examination, in case the examiners thought he wasn't taking science seriously. At the end of the examination, one evaluator turned to him, smiling, and said, "What can you tell us, Mr. Asimov, about the thermodynamic properties of the compound known as thiotimoline". Laughing hysterically with relief, Asimov had to be led out of the room. After a five-minute wait, he was summoned back into the room and congratulated as "Dr. Asimov".
Demand for science fiction greatly increased during the 1950s. It became possible for a genre author to write full-time. In 1949, book publisher Doubleday's science fiction editor Walter I. Bradbury accepted Asimov's unpublished "Grow Old With Me" (40,000 words), but requested that it be extended to a full novel of 70,000 words. The book appeared under the Doubleday imprint in January 1950 with the title of Pebble in the Sky. Doubleday published five more original science fiction novels by Asimov in the 1950s, along with the six juvenile Lucky Starr novels, the latter under the pseudonym of "Paul French". Doubleday also published collections of Asimov's short stories, beginning with The Martian Way and Other Stories in 1955. The early 1950s also saw Gnome Press publish one collection of Asimov's positronic robot stories as I, Robot and his Foundation stories and novelettes as the three books of the Foundation trilogy. More positronic robot stories were republished in book form as The Rest of the Robots.
Books and the magazines Galaxy, and Fantasy & Science Fiction ended Asimov's dependence on Astounding. He later described the era as his "'mature' period". Asimov's "The Last Question" (1956), on the ability of humankind to cope with and potentially reverse the process of entropy, was his personal favorite story.
In 1972, his novel The Gods Themselves (which was not part of a series) was published to general acclaim, and it won the Hugo Award for Best Novel, the Nebula Award for Best Novel, and the Locus Award for Best Novel.
In December 1974, former Beatle Paul McCartney approached Asimov and asked him if he could write the screenplay for a science-fiction movie musical. McCartney had a vague idea for the plot and a small scrap of dialogue; he wished to make a film about a rock band whose members discover they are being impersonated by a group of extraterrestrials. The band and their impostors would likely be played by McCartney's group Wings, then at the height of their career. Intrigued by the idea, although he was not generally a fan of rock music, Asimov quickly produced a "treatment" or brief outline of the story. He adhered to McCartney's overall idea, producing a story he felt to be moving and dramatic. However, he did not make use of McCartney's brief scrap of dialogue, and probably as a consequence, McCartney rejected the story. The treatment now exists only in the Boston University archives.
Asimov said in 1969 that he had "the happiest of all my associations with science fiction magazines" with Fantasy & Science Fiction; "I have no complaints about Astounding, Galaxy, or any of the rest, heaven knows, but F & SF has become something special to me". Beginning in 1977, Asimov lent his name to Isaac Asimov's Science Fiction Magazine (now Asimov's Science Fiction) and penned an editorial for each issue. There was also a short-lived Asimov's SF Adventure Magazine and a companion Asimov's Science Fiction Anthology reprint series, published as magazines (in the same manner as the stablemates Ellery Queen's Mystery Magazine's and Alfred Hitchcock's Mystery Magazine's "anthologies").
Due to pressure by fans on Asimov to write another book in his Foundation series, he did so with Foundation's Edge (1982) and Foundation and Earth (1986), and then went back to before the original trilogy with Prelude to Foundation (1988) and Forward the Foundation (1992), his last novel.
During the late 1950s and 1960s, Asimov substantially decreased his fiction output (he published only four adult novels between 1957's The Naked Sun and 1982's Foundation's Edge, two of which were mysteries). He greatly increased his nonfiction production, writing mostly on science topics; the launch of Sputnik in 1957 engendered public concern over a "science gap". Asimov explained in The Rest of the Robots that he had been unable to write substantial fiction since the summer of 1958, and observers understood him as saying that his fiction career had ended, or was permanently interrupted. Asimov recalled in 1969 that "the United States went into a kind of tizzy, and so did I. I was overcome by the ardent desire to write popular science for an America that might be in great danger through its neglect of science, and a number of publishers got an equally ardent desire to publish popular science for the same reason".
Fantasy and Science Fiction invited Asimov to continue his regular nonfiction column, begun in the now-folded bimonthly companion magazine Venture Science Fiction Magazine. The first of 399 monthly F&SF columns appeared in November 1958, until his terminal illness.[j] These columns, periodically collected into books by Doubleday, gave Asimov a reputation as a "Great Explainer" of science; he described them as his only popular science writing in which he never had to assume complete ignorance of the subjects on the part of his readers. The column was ostensibly dedicated to popular science but Asimov had complete editorial freedom, and wrote about contemporary social issues in essays such as "Thinking About Thinking" and "Knock Plastic!".
Asimov's first wide-ranging reference work, The Intelligent Man's Guide to Science (1960), was nominated for a National Book Award, and in 1963 he won a Hugo Award – his first – for his essays for F&SF. The popularity of his science books and the income he derived from them allowed him to give up most academic responsibilities and become a full-time freelance writer. He encouraged other science fiction writers to write popular science, stating in 1967 that "the knowledgeable, skillful science writer is worth his weight in contracts", with "twice as much work as he can possibly handle".
The great variety of information covered in Asimov's writings prompted Kurt Vonnegut to ask, "How does it feel to know everything?" Asimov replied that he only knew how it felt to have the 'reputation' of omniscience: "Uneasy". Floyd C. Gale said that "Asimov has a rare talent. He can make your mental mouth water over dry facts", and "science fiction's loss has been science popularization's gain". Asimov said that "Of all the writing I do, fiction, non-fiction, adult, or juvenile, these F & SF articles are by far the most fun". He regretted, however, that he had less time for fiction—causing dissatisfied readers to send him letters of complaint—stating in 1969 that "In the last ten years, I've done a couple of novels, some collections, a dozen or so stories, but that's nothing".
Asimov coined the term "robotics" in his 1941 story "Liar!", though he later remarked that he believed then that he was merely using an existing word, as he stated in Gold ("The Robot Chronicles"). While acknowledging the Oxford Dictionary reference, he incorrectly states that the word was first printed about one-third of the way down the first column of page 100, Astounding Science Fiction, March 1942 printing of his short story "Runaround".
Asimov coined the term "psychohistory" in his Foundation stories to name a fictional branch of science which combines history, sociology, and mathematical statistics to make general predictions about the future behavior of very large groups of people, such as the Galactic Empire. It was first introduced in the five short stories (1942–1944) which would later be collected as the 1951 fix-up novel Foundation. Somewhat later, the term "psychohistory" was applied by others to research of the effects of psychology on history.
In addition to his interest in science, Asimov was interested in history. Starting in the 1960s, he wrote 14 popular history books, including The Greeks: A Great Adventure (1965), The Roman Republic (1966), The Roman Empire (1967), The Egyptians (1967) The Near East: 10,000 Years of History (1968),  and Asimov's Chronology of the World (1991).
He published Asimov's Guide to the Bible in two volumes—covering the Old Testament in 1967 and the New Testament in 1969—and then combined them into one 1,300-page volume in 1981. Complete with maps and tables, the guide goes through the books of the Bible in order, explaining the history of each one and the political influences that affected it, as well as biographical information about the important characters. His interest in literature manifested itself in several annotations of literary works, including Asimov's Guide to Shakespeare (1970),[k] Asimov's Annotated Paradise Lost (1974), and The Annotated Gulliver's Travels (1980).
Asimov was also a noted mystery author and a frequent contributor to Ellery Queen's Mystery Magazine. He began by writing science fiction mysteries such as his Wendell Urth stories, but soon moved on to writing "pure" mysteries. He published two full-length mystery novels, and wrote 66 stories about the Black Widowers, a group of men who met monthly for dinner, conversation, and a puzzle. He got the idea for the Widowers from his own association in a stag group called the Trap Door Spiders and all of the main characters (with the exception of the waiter, Henry, who he admitted resembled Wodehouse's Jeeves) were modeled after his closest friends.
Toward the end of his life, Asimov published a series of collections of limericks, mostly written by himself, starting with Lecherous Limericks, which appeared in 1975. Limericks: Too Gross, whose title displays Asimov's love of puns, contains 144 limericks by Asimov and an equal number by John Ciardi. He even created a slim volume of Sherlockian limericks. Asimov featured Yiddish humor in Azazel, The Two Centimeter Demon. The two main characters, both Jewish, talk over dinner, or lunch, or breakfast, about anecdotes of "George" and his friend Azazel. Asimov's Treasury of Humor is both a working joke book and a treatise propounding his views on humor theory. According to Asimov, the most essential element of humor is an abrupt change in point of view, one that suddenly shifts focus from the important to the trivial, or from the sublime to the ridiculous.
Particularly in his later years, Asimov to some extent cultivated an image of himself as an amiable lecher. In 1971, as a response to the popularity of sexual guidebooks such as The Sensuous Woman (by "J") and The Sensuous Man (by "M"), Asimov published The Sensuous Dirty Old Man under the byline "Dr. 'A'" (although his full name was printed on the paperback edition, first published 1972). However, by 2016, some of Asimov's behavior towards women was described as sexual harassment and cited as an example of historically problematic behavior by men in science fiction communities.
Asimov published three volumes of autobiography. In Memory Yet Green (1979) and In Joy Still Felt (1980) cover his life up to 1978. The third volume, I. Asimov: A Memoir (1994), covered his whole life (rather than following on from where the second volume left off). The epilogue was written by his widow Janet Asimov after his death. The book won a Hugo Award in 1995. Janet Asimov edited It's Been a Good Life (2002), a condensed version of his three autobiographies. He also published three volumes of retrospectives of his writing, Opus 100 (1969), Opus 200 (1979), and Opus 300 (1984).
In 1987, the Asimovs co-wrote How to Enjoy Writing: A Book of Aid and Comfort. In it they offer advice on how to maintain a positive attitude and stay productive when dealing with discouragement, distractions, rejection, and thick-headed editors. The book includes many quotations, essays, anecdotes, and husband-wife dialogues about the ups and downs of being an author.
Asimov and Star Trek creator Gene Roddenberry developed a unique relationship during Star Trek's initial launch in the late 1960s. Asimov wrote a critical essay on Star Trek's scientific accuracy for TV Guide magazine. Roddenberry retorted respectfully with a personal letter explaining the limitations of accuracy when writing a weekly series. Asimov corrected himself with a follow-up essay to TV Guide claiming that despite its inaccuracies, Star Trek was a fresh and intellectually challenging science fiction television show. The two remained friends to the point where Asimov even served as an advisor on a number of Star Trek projects.
In 1973, Asimov published a proposal for calendar reform, called the World Season Calendar. It divides the year into four seasons (named A–D) of 13 weeks (91 days) each. This allows days to be named, e.g., "D-73" instead of December 1 (due to December 1 being the 73rd day of the 4th quarter). An extra 'year day' is added for a total of 365 days.
Awards and recognition
- 1955 – Guest of Honor at the 13th World Science Fiction Convention
- 1957 – Thomas Alva Edison Foundation Award for best science book for youth, for Building Blocks of the Universe
- 1960 – Howard W. Blakeslee Award from the American Heart Association for The Living River
- 1962 – Boston University's Publication Merit Award
- 1963 – A special Hugo Award for "adding science to science fiction," for essays published in the Magazine of Fantasy and Science Fiction
- 1963 – Fellow of the American Academy of Arts and Sciences
- 1964 – The Science Fiction Writers of America voted "Nightfall" (1941) the all-time best science fiction short story
- 1965 – James T. Grady Award of the American Chemical Society (now called the James T. Grady-James H. Stack Award for Interpreting Chemistry)
- 1966 – Best All-time Novel Series Hugo Award for the Foundation trilogy
- 1967 – Edward E. Smith Memorial Award
- 1967 – AAAS-Westinghouse Science Writing Award for Magazine Writing, for essay "Over the Edge of the Universe" (in the March 1967 Harper's Magazine)[l]
- 1972 – Nebula Award for Best Novel for The Gods Themselves
- 1973 – Hugo Award for Best Novel for The Gods Themselves
- 1973 – Locus Award for Best Novel for The Gods Themselves
- 1975 – Klumpke-Roberts Award "for outstanding contributions to the public understanding and appreciation of astronomy"
- 1975 – Locus Award for Best Reprint Anthology for Before the Golden Age
- 1977 – Hugo Award for Best Novelette for The Bicentennial Man
- 1977 – Nebula Award for Best Novelette for The Bicentennial Man
- 1977 – Locus Award for Best Novelette for The Bicentennial Man
- 1981 – An asteroid, 5020 Asimov, was named in his honor
- 1981 – Locus Award for Best Non-Fiction Book for In Joy Still Felt: The Autobiography of Isaac Asimov, 1954-1978
- 1983 – Hugo Award for Best Novel for Foundation's Edge
- 1983 – Locus Award for Best Science Fiction Novel for Foundation's Edge
- 1984 – Humanist of the Year
- 1986 – The Science Fiction and Fantasy Writers of America named him its 8th SFWA Grand Master (presented in 1987).
- 1987 – Locus Award for Best Short Story for "Robot Dreams"
- 1992 – Hugo Award for Best Novelette for Gold
- 1995 – Hugo Award for Best Non-Fiction Book for I. Asimov: A Memoir
- 1995 – Locus Award for Best Non-Fiction Book for I. Asimov: A Memoir
- 1996 – A 1946 Retro-Hugo for Best Novel of 1945 was given at the 1996 WorldCon for "The Mule", the 7th Foundation story, published in Astounding Science Fiction
- 1997 – The Science Fiction and Fantasy Hall of Fame inducted Asimov in its second class of two deceased and two living persons, along with H. G. Wells.
- 2000 – Asimov was featured on a stamp in Israel
- 2001 – The Isaac Asimov Memorial Debates at the Hayden Planetarium in New York were inaugurated
- 2009 – A crater on the planet Mars, Asimov, was named in his honor
- 2010 – In the US Congress bill about the designation of the National Robotics Week as an annual event, a tribute to Isaac Asimov is as follows:
- "Whereas the second week in April each year is designated as `National Robotics Week', recognizing the accomplishments of Isaac Asimov, who immigrated to America, taught science, wrote science books for children and adults, first used the term robotics, developed the Three Laws of Robotics, and died in April, 1992: Now, therefore, be it resolved ..."
- 2015 – Selected as a member of the New York State Writers Hall of Fame.
- 2016 – A 1941 Retro-Hugo for Best Short Story of 1940 was given at the 2016 WorldCon for Robbie, his first positronic robot story, published in Super Science Stories, September 1940
- 2018 – A 1943 Retro-Hugo for Best Short Story of 1942 was given at the 2018 WorldCon for Foundation, published in Astounding Science-Fiction, May 1942
If I had the critic's mentality (which I emphatically don't) I would sit down and try to analyze my stories, work out the factors that make some more successful than others, cultivate those factors, and simply explode with excellence. But the devil with that. I won't buy success at the price of self-consciousness. I don't have the temperament for it. I'll write as I please and let the critics do the analyzing.— Asimov, 1973
Asimov wrote a typed first draft composed at the keyboard at 90 words per minute; he imagined an ending first, then a beginning, then "let everything in-between work itself out as I come to it". (Asimov only used an outline once, later describing it as "like trying to play the piano from inside a straitjacket".) After correcting the draft by hand, he retyped the document as the final copy and only made one revision with minor editor-requested changes; a word processor did not save him much time, Asimov said, because 95% of the first draft was unchanged.
After disliking making multiple revisions of "Black Friar of the Flame", Asimov refused to make major, second, or non-editorial revisions ("like chewing used gum"), stating that "too large a revision, or too many revisions, indicate that the piece of writing is a failure. In the time it would take to salvage such a failure, I could write a new piece altogether and have infinitely more fun in the process". He submitted "failures" to another editor.
One of the most common impressions of Asimov's fiction work is that his writing style is extremely unornamented. In 1980, science fiction scholar James Gunn, professor emeritus of English at the University of Kansas wrote of I, Robot:
Except for two stories—"Liar!" and "Evidence"—they are not stories in which character plays a significant part. Virtually all plot develops in conversation with little if any action. Nor is there a great deal of local color or description of any kind. The dialogue is, at best, functional and the style is, at best, transparent. ... . The robot stories and, as a matter of fact, almost all Asimov fiction—play themselves on a relatively bare stage.
Asimov addressed such criticism at the beginning of Nemesis:
I made up my mind long ago to follow one cardinal rule in all my writing—to be 'clear'. I have given up all thought of writing poetically or symbolically or experimentally, or in any of the other modes that might (if I were good enough) get me a Pulitzer prize. I would write merely clearly and in this way establish a warm relationship between myself and my readers, and the professional critics—Well, they can do whatever they wish.
Gunn cited examples of a more complex style, such as the climax of "Liar!". Sharply drawn characters occur at key junctures of his storylines: Susan Calvin in "Liar!" and "Evidence", Arkady Darell in Second Foundation, Elijah Baley in The Caves of Steel, and Hari Seldon in the Foundation prequels.
Other than books by Gunn and Patrouch, a relative dearth of "literary" criticism exists on Asimov (particularly when compared to the sheer volume of his output). Cowart and Wymer's Dictionary of Literary Biography (1981) gives a possible reason:
His words do not easily lend themselves to traditional literary criticism because he has the habit of centering his fiction on plot and clearly stating to his reader, in rather direct terms, what is happening in his stories and why it is happening. In fact, most of the dialogue in an Asimov story, and particularly in the Foundation trilogy, is devoted to such exposition. Stories that clearly state what they mean in unambiguous language are the most difficult for a scholar to deal with because there is little to be interpreted.
Gunn's and Patrouch's respective studies of Asimov both state that a clear, direct prose style is still a style. Gunn's 1982 book comments in detail on each of Asimov's novels. He does not praise all of Asimov's fiction (nor does Patrouch), but calls some passages in The Caves of Steel "reminiscent of Proust". When discussing how that novel depicts night falling over futuristic New York City, Gunn says that Asimov's prose "need not be ashamed anywhere in literary society".
Although he prided himself on his unornamented prose style (for which he credited Clifford D. Simak as an early influence), and said in 1973 that his style had not changed, Asimov also enjoyed giving his longer stories complicated narrative structures, often by arranging chapters in nonchronological ways. Some readers have been put off by this, complaining that the nonlinearity is not worth the trouble and adversely affects the clarity of the story. For example, the first third of The Gods Themselves begins with Chapter 6, then backtracks to fill in earlier material. (John Campbell advised Asimov to begin his stories as late in the plot as possible. This advice helped Asimov create "Reason", one of the early Robot stories. See In Memory Yet Green for details of that time period.) Patrouch found that the interwoven and nested flashbacks of The Currents of Space did serious harm to that novel, to such an extent that only a "dyed-in-the-kyrt Asimov fan" could enjoy it. Asimov's tendency to contort his timelines is perhaps most apparent in his later novel Nemesis, in which one group of characters lives in the "present" and another group starts in the "past", beginning 15 years earlier and gradually moving toward the time period of the first group.
Asimov attributed the lack of romance and sex in his fiction to the "early imprinting" from starting his writing career when he had never been on a date and "didn't know anything about girls". He was sometimes criticized for the general absence of sex (and of extraterrestrial life) in his science fiction. He claimed he wrote The Gods Themselves to respond to these criticisms, which often came from New Wave science fiction (and often British) writers. The second part (of three) of the novel is set on an alien world with three sexes, and the sexual behavior of these creatures is extensively depicted.
Asimov once explained that his reluctance to write about aliens came from an incident early in his career when Astounding's editor John Campbell rejected one of his science fiction stories because the alien characters were portrayed as superior to the humans. The nature of the rejection led him to believe that Campbell may have based his bias towards humans in stories on a real-world racial bias. Unwilling to write only weak alien races, and concerned that a confrontation would jeopardize his and Campbell's friendship, he decided he would not write about aliens at all. Nevertheless, in response to these criticisms, he wrote The Gods Themselves, which contains aliens and alien sex. The book won the Nebula Award for Best Novel in 1972, and the Hugo Award for Best Novel in 1973. Asimov said that of all his writings, he was most proud of the middle section of The Gods Themselves, the part that deals with those themes.
In the Hugo Award-winning novelette "Gold", Asimov describes an author, clearly based on himself, who has one of his books (The Gods Themselves) adapted into a "compu-drama", essentially photo-realistic computer animation. The director criticizes the fictionalized Asimov ("Gregory Laborian") for having an extremely nonvisual style, making it difficult to adapt his work, and the author explains that he relies on ideas and dialogue rather than description to get his points across.
Asimov was criticized for a lack of strong female characters in his early work. In his autobiographical writings, such as Gold ("Women and Science Fiction"), he acknowledges this and responds by pointing to inexperience. His later novels, written with more female characters but in essentially the same prose style as his early science-fiction stories, brought this matter to a wider audience. For example, the August 25, 1985 Washington Post's "Book World" section reports of Robots and Empire as follows:
In 1940, Asimov's humans were stripped-down masculine portraits of Americans from 1940, and they still are. His robots were tin cans with speedlines like an old Studebaker, and still are; the Robot tales depended on an increasingly unworkable distinction between movable and unmovable artificial intelligences, and still do. In the Asimov universe, because it was conceived a long time ago, and because its author abhors confusion, there are no computers whose impact is worth noting, no social complexities, no genetic engineering, aliens, arcologies, multiverses, clones, sin or sex; his heroes (in this case R. Daneel Olivaw, whom we first met as the robot protagonist of The Caves of Steel and its sequels), feel no pressure of information, raw or cooked, as the simplest of us do today; they suffer no deformation from the winds of the Asimov future, because it is so deeply and strikingly orderly.
There is a perennial question among readers as to whether the views contained in a story reflect the views of the author. The answer is, "Not necessarily—" And yet one ought to add another short phrase "—but usually."— Asimov, 1969
Isaac Asimov was an atheist, a humanist, and a rationalist. He did not oppose religious conviction in others, but he frequently railed against superstitious and pseudoscientific beliefs that tried to pass themselves off as genuine science. During his childhood, his father and mother observed Orthodox Jewish traditions, though not as stringently as they had in Petrovichi; they did not, however, force their beliefs upon young Isaac. Thus, he grew up without strong religious influences, coming to believe that the Torah represented Hebrew mythology in the same way that the Iliad recorded Greek mythology. When he was 13, he chose not to have a bar mitzvah. As his books Treasury of Humor and Asimov Laughs Again record, Asimov was willing to tell jokes involving God, Satan, the Garden of Eden, Jerusalem, and other religious topics, expressing the viewpoint that a good joke can do more to provoke thought than hours of philosophical discussion.
For a brief while, his father worked in the local synagogue to enjoy the familiar surroundings and, as Isaac put it, "shine as a learned scholar" versed in the sacred writings. This scholarship was a seed for his later authorship and publication of Asimov's Guide to the Bible, an analysis of the historic foundations for both the Old and New Testaments. For many years, Asimov called himself an atheist; however, he considered the term somewhat inadequate, as it described what he did not believe rather than what he did. Eventually, he described himself as a "humanist" and considered that term more practical. He did, however, continue to identify himself as a nonobservant Jew, as stated in his introduction to Jack Dann's anthology of Jewish science fiction, Wandering Stars: "I attend no services and follow no ritual and have never undergone that curious puberty rite, the bar mitzvah. It doesn't matter. I am Jewish."
When asked in an interview in 1982 if he was an atheist, Asimov replied,
I am an atheist, out and out. It took me a long time to say it. I've been an atheist for years and years, but somehow I felt it was intellectually unrespectable to say one was an atheist, because it assumed knowledge that one didn't have. Somehow it was better to say one was a humanist or an agnostic. I finally decided that I'm a creature of emotion as well as of reason. Emotionally I am an atheist. I don't have the evidence to prove that God doesn't exist, but I so strongly suspect he doesn't that I don't want to waste my time.
Likewise he said about religious education: "I would not be satisfied to have my kids choose to be religious without trying to argue them out of it, just as I would not be satisfied to have them decide to smoke regularly or engage in any other practice I consider detrimental to mind or body."
In his last volume of autobiography, Asimov wrote,
If I were not an atheist, I would believe in a God who would choose to save people on the basis of the totality of their lives and not the pattern of their words. I think he would prefer an honest and righteous atheist to a TV preacher whose every word is God, God, God, and whose every deed is foul, foul, foul.
The same memoir states his belief that Hell is "the drooling dream of a sadist" crudely affixed to an all-merciful God; if even human governments were willing to curtail cruel and unusual punishments, wondered Asimov, why would punishment in the afterlife not be restricted to a limited term? Asimov rejected the idea that a human belief or action could merit infinite punishment. If an afterlife existed, he claimed, the longest and most severe punishment would be reserved for those who "slandered God by inventing Hell".
Asimov said about using religious motifs in his writing:
I tend to ignore religion in my own stories altogether, except when I absolutely have to have it. ... and, whenever I bring in a religious motif, that religion is bound to seem vaguely Christian because that is the only religion I know anything about, even though it is not mine. An unsympathetic reader might think that I am "burlesquing" Christianity, but I am not. Then too, it is impossible to write science fiction and really ignore religion.
Asimov became a staunch supporter of the Democratic Party during the New Deal, and thereafter remained a political liberal. He was a vocal opponent of the Vietnam War in the 1960s and in a television interview during the early 1970s he publicly endorsed George McGovern. He was unhappy about what he considered an "irrationalist" viewpoint taken by many radical political activists from the late 1960s and onwards. In his second volume of autobiography, In Joy Still Felt, Asimov recalled meeting the counterculture figure Abbie Hoffman. Asimov's impression was that the 1960s' counterculture heroes had ridden an emotional wave which, in the end, left them stranded in a "no-man's land of the spirit" from which he wondered if they would ever return.
Asimov vehemently opposed Richard Nixon, considering him "a crook and a liar". He closely followed Watergate, and was pleased when the president was forced to resign. Asimov was dismayed over the pardon extended to Nixon by his successor: "I was not impressed by the argument that it has spared the nation an ordeal. To my way of thinking, the ordeal was necessary to make certain it would never happen again."
After Asimov's name appeared in the mid-1960s on a list of people the Communist Party USA "considered amenable" to its goals, the FBI investigated him. Because of his academic background, the bureau briefly considered Asimov as a possible candidate for known Soviet spy ROBPROF, but found nothing suspicious in his life or background.
Though from a Jewish family, Asimov appeared to hold an equivocal attitude towards Israel. In his first autobiography, he indicates his support for the safety of Israel, though insisting that he was not a Zionist. In his third autobiography, Asimov stated his opposition to the creation of a Jewish state, on the grounds that he was opposed to the concept of nation-states in general, and supported the notion of a single humanity. Asimov especially worried about the safety of Israel given that it had been created among hostile neighbors, and said that Jews had merely created for themselves another "Jewish ghetto".[m]
Asimov believed that "science fiction ... serve[s] the good of humanity". He considered himself a feminist even before women's liberation became a widespread movement; he argued that the issue of women's rights was closely connected to that of population control. Furthermore, he believed that homosexuality must be considered a "moral right" on population grounds, as must all consenting adult sexual activity that does not lead to reproduction. He issued many appeals for population control, reflecting a perspective articulated by people from Thomas Malthus through Paul R. Ehrlich.
In a 1988 interview by Bill Moyers, Asimov proposed computer-aided learning, where people would use computers to find information on subjects in which they were interested. He thought this would make learning more interesting, since people would have the freedom to choose what to learn, and would help spread knowledge around the world. Also, the one-to-one model would let students learn at their own pace. Asimov thought that people would live in space by the year 2019.
Environment and population
Asimov's defense of civil applications of nuclear power even after the Three Mile Island nuclear power plant incident damaged his relations with some of his fellow liberals. In a letter reprinted in Yours, Isaac Asimov, he states that although he would prefer living in "no danger whatsoever" than near a nuclear reactor, he would still prefer a home near a nuclear power plant than in a slum on Love Canal or near "a Union Carbide plant producing methyl isocyanate", the latter being a reference to the Bhopal disaster.
In the closing years of his life, Asimov blamed the deterioration of the quality of life that he perceived in New York City on the shrinking tax base caused by the middle-class flight to the suburbs, though he continued to support high taxes on the middle class to pay for social programs. His last nonfiction book, Our Angry Earth (1991, co-written with his long-time friend, science fiction author Frederik Pohl), deals with elements of the environmental crisis such as overpopulation, oil dependence, war, global warming, and the destruction of the ozone layer. In response to being presented by Bill Moyers with the question "What do you see happening to the idea of dignity to human species if this population growth continues at its present rate?", Asimov responded:
It's going to destroy it all ... if you have 20 people in the apartment and two bathrooms, no matter how much every person believes in freedom of the bathroom, there is no such thing. You have to set up, you have to set up times for each person, you have to bang at the door, aren't you through yet, and so on. And in the same way, democracy cannot survive overpopulation. Human dignity cannot survive it. Convenience and decency cannot survive it. As you put more and more people onto the world, the value of life not only declines, but it disappears.
Asimov enjoyed the writings of J. R. R. Tolkien, using The Lord of the Rings as a plot point in a Black Widowers story. (Tolkien said that he enjoyed Asimov's science fiction.) He acknowledged other writers as superior to himself in talent, saying of Harlan Ellison, "He is (in my opinion) one of the best writers in the world, far more skilled at the art than I am." Asimov disapproved of the New Wave's growing influence, however, stating in 1967 "I want science fiction. I think science fiction isn't really science fiction if it lacks science. And I think the better and truer the science, the better and truer the science fiction". The feelings of friendship and respect between Asimov and Arthur C. Clarke were demonstrated by the so-called "Clarke-Asimov Treaty of Park Avenue", negotiated as they shared a cab in New York. This stated that Asimov was required to insist that Clarke was the best science fiction writer in the world (reserving second-best for himself), while Clarke was required to insist that Asimov was the best science writer in the world (reserving second-best for himself). Thus, the dedication in Clarke's book Report on Planet Three (1972) reads: "In accordance with the terms of the Clarke-Asimov treaty, the second-best science writer dedicates this book to the second-best science-fiction writer."
Asimov became a fan of mystery stories at the same time as science fiction. He preferred to read the former to latter because "I read every [science fiction] story keenly aware that it might be worse than mine, in which case I had no patience with it, or that it might be better, in which case I felt miserable". Asimov wrote "I make no secret of the fact that in my mysteries I use Agatha Christie as my model. In my opinion, her mysteries are the best ever written, far better than the Sherlock Holmes stories, and Hercule Poirot is the best detective fiction has seen. Why should I not use as my model what I consider the best?" He enjoyed Sherlock Holmes, but considered Arthur Conan Doyle to be "a slapdash and sloppy writer."
In non-fiction writing, Asimov particularly admired the writing style of Martin Gardner, and tried to emulate it in his own science books. On meeting Gardner for the first time in 1965, Asimov told him this, to which Gardner answered that he had based his own style on Asimov's.
John Jenkins, who has reviewed the vast majority of Asimov's written output, once observed, "It has been pointed out that most science fiction writers since the 1950s have been affected by Asimov, either modeling their style on his or deliberately avoiding anything like his style." Along with such figures as Bertrand Russell and Karl Popper, Asimov left his mark as one of the most distinguished interdisciplinarians of the 20th century. "Few individuals", writes James L. Christian, "understood better than Isaac Asimov what synoptic thinking is all about. His almost 500 books—which he wrote as a specialist, a knowledgeable authority, or just an excited layman—range over almost all conceivable subjects: the sciences, history, literature, religion, and of course, science fiction." Asimov explained his quest for holistic knowledge:
Through a series of developments of absorbing lack of interest (as far as these pages are concerned), I found myself doing research on a biochemical topic. In that area of study I obtained my Ph.D., and in no time at all I was teaching biochemistry at a medical school.
But even that was too wide a subject. From books to nonfiction, to science, to chemistry, to biochemistry—and not yet enough. The orchard had to be narrowed down further. To do research, I had to find myself a niche within biochemistry, so I began work on nucleic acids ...
And at about that point, I rebelled! I could not stand the claustrophobia that clamped down upon me. I looked with horror, backward and forward across the years, at a horizon that was narrowing down and narrowing down to so petty a portion of the orchard. What I wanted was all the orchard, or as much of it as I could cover in a lifetime of running ...
I have never been sorry for my stubborn advance toward generalization. To be sure, I can't wander in detail through all the orchard, any more than anyone else can, no matter how stupidly determined I may be to do so. Life is far too short and the mind is far too limited. But I can float over the orchard as in a balloon.
Television, music, and film appearances
- I Robot, a concept album by The Alan Parsons Project that examined some of Asimov's work
- The Last Word 1959
- The Dick Cavett Show, four appearances 1968–71
- The Nature of Things 1969
- ABC News coverage of Apollo 11, 1969, with Fred Pohl, interviewed by Rod Serling
- David Frost interview program, August 1969. Frost asked Asimov if he had ever tried to find God and, after some initial evasion, Asimov answered, "God is much more intelligent than I am—let him try to find me."
- National Geographic, July 1976. Interview.
- BBC Horizon "It's About Time" (1979), show hosted by Dudley Moore
- Target ... Earth? 1980
- The David Letterman Show 1980
- NBC TV Speaking Freely, interviewed by Edwin Newman 1982
- ARTS Network talk show hosted by Studs Terkel and Calvin Trillin, approximately 1982
- Oltre New York 1986
- Voyage to the Outer Planets and Beyond 1986
- Bill Moyers interview 1988
- Stranieri in America 1988
Depending on the counting convention used, and including all titles, charts, and edited collections, there may be currently over 500 books in Asimov's bibliography— as well as his individual short stories, individual essays, and criticism. For his 100th, 200th, and 300th books (based on his personal count), Asimov published Opus 100 (1969), Opus 200 (1979), and Opus 300 (1984), celebrating his writing.
Asimov was so prolific that his books span all major categories of the Dewey Decimal Classification except for category 100, philosophy and psychology. Although Asimov did write several essays about psychology, and forewords for the books The Humanist Way (1988) and In Pursuit of Truth (1982), which were classified in the 100s category, none of his own books was classified in that category.
An online exhibit in West Virginia University Libraries' virtually complete Asimov Collection displays features, visuals, and descriptions of some of his over 600 books, games, audio recordings, videos, and wall charts. Many first, rare, and autographed editions are in the Libraries' Rare Book Room. Book jackets and autographs are presented online along with descriptions and images of children's books, science fiction art, multimedia, and other materials in the collection.
For a listing of Asimov's science fiction books in chronological order within his future history, see the Foundation series list of books.
The Robot series was originally separate from the Foundation series. The Galactic Empire novels were published as independent stories, set earlier in the same future as Foundation. Later in life, Asimov synthesized the Robot series into a single coherent "history" that appeared in the extension of the Foundation series.
- The Robot series:
- The Caves of Steel. 1954. ISBN 0-553-29340-0. (first Elijah Baley SF-crime novel)
- The Naked Sun. 1957. ISBN 0-553-29339-7. (second Elijah Baley SF-crime novel)
- The Robots of Dawn. 1983. ISBN 0-553-29949-2. (third Elijah Baley SF-crime novel)
- Robots and Empire. 1985. ISBN 978-0-586-06200-5. (sequel to the Elijah Baley trilogy)
- Galactic Empire novels:
- Foundation prequels:
- Original Foundation trilogy:
- Extended Foundation series:
- David Starr, Space Ranger (1952)
- Lucky Starr and the Pirates of the Asteroids (1953)
- Lucky Starr and the Oceans of Venus (1954)
- Lucky Starr and the Big Sun of Mercury (1956)
- Lucky Starr and the Moons of Jupiter (1957)
- Lucky Starr and the Rings of Saturn (1958)
- Norby, the Mixed-Up Robot (1983)
- Norby's Other Secret (1984)
- Norby and the Lost Princess (1985)
- Norby and the Invaders (1985)
- Norby and the Queen's Necklace (1986)
- Norby Finds a Villain (1987)
- Norby Down to Earth (1988)
- Norby and Yobo's Great Adventure (1989)
- Norby and the Oldest Dragon (1990)
- Norby and the Court Jester (1991)
Novels marked with an asterisk * have minor connections to the Foundation and Robot series.
- The End of Eternity (1955) *
- Fantastic Voyage (1966) (a novelization of the movie)
- The Gods Themselves (1972)
- Fantastic Voyage II: Destination Brain (1987) * (not a sequel to Fantastic Voyage, but a similar, independent story)
- Nemesis (1989) *
- Nightfall (1990), with Robert Silverberg (based on "Nightfall", a 1941 short story written by Asimov)
- Child of Time (1992), with Robert Silverberg (based on "The Ugly Little Boy", a 1958 short story written by Asimov)
- The Positronic Man (1993) *, with Robert Silverberg (based on The Bicentennial Man, a 1976 novella written by Asimov)
- I, Robot. 1950. ISBN 0-553-29438-5.
- The Martian Way and Other Stories. 1955. ISBN 0-8376-0463-X.
- Earth Is Room Enough. 1957. ISBN 0-449-24125-4.
- Nine Tomorrows. 1959. ISBN 0-449-24084-3.
- The Rest of the Robots. 1964. ISBN 0-385-09041-2.
- Through a Glass, Clearly. 1967. ISBN 0-86025-124-1.
- Asimov's Mysteries. 1968.
- Nightfall and Other Stories. 1969. ISBN 0-449-01969-1.
- The Early Asimov. 1972. ISBN 0-449-02850-X.
- The Best of Isaac Asimov. 1973. ISBN 0-7221-1256-4.
- Buy Jupiter and Other Stories. 1975. ISBN 0-385-05077-1.
- The Bicentennial Man and Other Stories. 1976. ISBN 0-575-02240-X.
- The Complete Robot. 1982.
- The Winds of Change and Other Stories. 1983. ISBN 0-385-18099-3.
- The Edge of Tomorrow. 1985. ISBN 0-312-93200-6.
- The Alternate Asimovs. 1986. ISBN 0-385-19784-5.
- The Best Science Fiction of Isaac Asimov. 1986.
- Robot Dreams. 1986. ISBN 0-441-73154-6.
- Azazel. 1988.
- Robot Visions. 1990. ISBN 0-451-45064-7.
- Gold. 1995. ISBN 0-553-28339-1.
- Magic. 1996. ISBN 0-00-224622-8.
- The Death Dealers (1958), republished as A Whiff of Death
- Murder at the ABA (1976), also published as Authorized Murder
- Tales of the Black Widowers (1974)
- More Tales of the Black Widowers (1976)
- Casebook of the Black Widowers (1980)
- Banquets of the Black Widowers (1984)
- Puzzles of the Black Widowers (1990)
- The Return of the Black Widowers (2003)
- Asimov's Mysteries (1968)
- The Key Word and Other Mysteries (1977)
- The Union Club Mysteries (1983)
- The Disappearing Man and Other Mysteries (1985)
- The Best Mysteries of Isaac Asimov (1986)
Collections of Asimov's essays – originally published as monthly columns in the Magazine of Fantasy and Science Fiction
- Fact and Fancy (1962)
- View from a Height (1963)
- Adding a Dimension (1964)
- Of Time and Space and Other Things (1965)
- From Earth to Heaven (1966)
- Science, Numbers, and I (1968)
- The Solar System and Back (1970)
- The Stars in their Courses (1971)
- The Left Hand of the Electron (1972)
- The Tragedy of the Moon (1973)
- Asimov On Astronomy (updated version of essays in previous collections) (1974) ISBN 978-0-517-27924-3
- Asimov On Chemistry (updated version of essays in previous collections) (1974)
- Of Matters Great and Small (1975)
- Asimov On Physics (updated version of essays in previous collections) (1976) ISBN 978-0-385-00958-4
- The Planet That Wasn't (1976)
- Asimov On Numbers (updated version of essays in previous collections) (1976)
- Quasar, Quasar, Burning Bright (1977)
- The Road to Infinity (1979)
- The Sun Shines Bright (1981)
- Counting the Eons (1983)
- X Stands for Unknown (1984)
- The Subatomic Monster (1985)
- Far as Human Eye Could See (1987)
- The Relativity of Wrong (1988)
- Beginnings: The Story of Origins (1989)
- Asimov On Science: A 30 Year Retrospective 1959–1989 (features the first essay in the introduction) (1989)
- Out of the Everywhere (1990)
- The Secret of the Universe (1991)
Other science books by Asimov
- The Chemicals of Life (1954) ISBN 978-0-451-62418-5
- Inside the Atom (1956) ISBN 978-0-200-71444-0
- Only a Trillion (Science Essay Collection) (1957) ISBN 978-0-441-63121-6
- Building Blocks of the Universe (1957; revised 1974) ISBN 0-200-71099-0 ISBN 978-0-200-71099-2
- The World of Carbon (1958) ISBN 978-0-02-091350-4
- The World of Nitrogen (1958) ISBN 978-0-02-091400-6
- Words of Science and the History Behind Them (1959) ISBN 978-0-395-06571-6
- The Clock We Live On (1959) ISBN 978-0-200-71100-5
- Breakthroughs in Science (1959) ISBN 978-0-395-06561-7
- Realm of Numbers (1959) ISBN 978-0-395-06566-2
- Realm of Measure (1960)
- The Wellsprings of Life (1960) ISBN 978-0-451-03245-4
- Life and Energy (1962) ISBN 978-0-380-00942-8
- The Human Body: Its Structure and Operation (1963) ISBN 978-0-451-02430-5, ISBN 978-0-451-62707-0 (revised)
- The Human Brain: Its Capacities and Functions (1963) ISBN 978-0-451-62867-1
- Planets for Man (with Stephen H. Dole) (1964, reprinted by RAND 2007) ISBN 978-0-8330-4226-2
- An Easy Introduction to the Slide Rule (1965) ISBN 9780395065754
- The Intelligent Man's Guide to Science (1965)
- The Universe: From Flat Earth to Quasar (1966) ISBN 978-0-380-01596-2
- The Neutrino (1966) ASIN B002JK525W
- Understanding Physics Vol. I, Motion, Sound, and Heat (1966) ISBN 978-0-451-00329-4
- Understanding Physics Vol. II, Light, Magnetism, and Electricity (1966) ISBN 978-0-451-61942-6
- Understanding Physics Vol. III, The Electron, Proton, and Neutron (1966) ISBN 978-0-451-62634-9
- Is Anyone There? (Science Essay Collection) (1967), ISBN 0-385-08401-3 – where he used the term Spome
- Photosynthesis (1968) ISBN 978-0-465-05703-0
- Today and Tomorrow and— (1973)
- Our World in Space (1974) ISBN 978-0-8212-0434-4
- Science Past, Science Future (1975) ISBN 978-0-385-09923-3
- Please Explain (Science Essay Collection) (1975) ISBN 978-0-440-96804-7
- Asimov On Physics (1976) ISBN 978-0-385-00958-4
- The Collapsing Universe (1977), ISBN 0-671-81738-8
- Extraterrestrial Civilizations (1979) ISBN 978-0-449-90020-8
- Visions of the Universe with co-author Kazuaki Iwasaki (1981) ISBN 978-0-939540-01-3
- Exploring the Earth and the Cosmos (1982) ISBN 978-0-517-54667-3
- The Measure of the Universe (1983)
- The Roving Mind (1983) (collection of essays). New edition published by Prometheus Books, 1997, ISBN 1-57392-181-5
- Past, Present and Future (1987) ISBN 978-0879753931
- Think About Space: Where Have We Been and Where Are We Going? with co-author Frank White (1989)
- Asimov's Chronology of Science and Discovery (1989), second edition adds content thru 1993, ISBN 978-0-06-270113-8
- Isaac Asimov's Guide to Earth and Space (1991) ISBN 978-0-449-22059-7
- Atom: Journey Across the Subatomic Cosmos (1991) ISBN 978-1-4395-0900-5
- Mysteries of deep space: Quasars, Pulsars and Black Holes (1994) ISBN 978-0-8368-1133-9
- The Moon (2003), revised by Richard Hantula ISBN 978-1-59102-122-3
- The Sun (2003), revised by Richard Hantula ISBN 978-1-59102-122-3
- Jupiter (2004), revised by Richard Hantula ISBN 978-1-59102-123-0
- The Earth (2004), revised by Richard Hantula ISBN 978-1-59102-177-3
- Venus (2004), revised by Richard Hantula ISBN 978-0-8368-3877-0
- Asimov's Guide to Shakespeare, vols I and II (1970), ISBN 0-517-26825-6
- Asimov's Annotated "Don Juan" (1972)
- Asimov's Annotated "Paradise Lost" (1974)
- Familiar Poems, Annotated (1976)
- Asimov's The Annotated "Gulliver's Travels" (1980)
- Asimov's Annotated "Gilbert and Sullivan" (1988)
- Words from Genesis (1962)
- Words from the Exodus (1963)
- Asimov's Guide to the Bible, vols I and II (1967 and 1969, one-volume ed. 1981), ISBN 0-517-34582-X
- The Story of Ruth (1972), ISBN 0-385-08594-X
- In the Beginning (1981)
- In Memory Yet Green: The Autobiography of Isaac Asimov, 1920–1954 (1979, Doubleday)
- In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978 (1980, Doubleday)
- I. Asimov: A Memoir (1994, Doubleday)
- It's Been a Good Life (2002, Prometheus Books), condensation of Asimov's three volumes of autobiography, edited by his widow, Janet Jeppson Asimov
- The Kite That Won the Revolution (1963), ISBN 0-395-06560-7
- The Greeks (1965)
- The Roman Republic (1966)
- The Roman Empire (1967)
- The Egyptians (1967)
- The Near East (1968)
- The Dark Ages (1968)
- Words from History (1968)
- The Shaping of England (1969)
- Constantinople: The Forgotten Empire (1970)
- The Land of Canaan (1971)
- The Shaping of France (1972)
- The Shaping of North America (1973)
- The Birth of the United States (1974)
- Our Federal Union (1975), ISBN 0-395-20283-3
- The Golden Door (1977)
- Asimov's Chronology of the World (1991), ISBN 0-062-70036-7
- The March of the Millennia (1991), with co-author Frank White, ISBN 0-8027-7391-5
- The Sensuous Dirty Old Man (1971) (As Dr. A), ISBN 0-451-07199-9
- Isaac Asimov's Treasury of Humor (1971)
- Lecherous Limericks (1975), ISBN 0-449-22841-X
- More Lecherous Limericks (1976), ISBN 0-8027-7102-5
- Still More Lecherous Limericks (1977), ISBN 0-8027-7106-8
- Limericks, Two Gross, with John Ciardi (1978), ISBN 0-393-04530-7
- A Grossery of Limericks, with John Ciardi (1981), ISBN 0-393-33112-1
- Asimov Laughs Again (1992)
- Opus 100 (1969), ISBN 0-395-07351-0
- Asimov's Biographical Encyclopedia of Science and Technology (1st Revised Edition) (1972), ISBN 0-385-17771-2
- Opus 200 (1979), ISBN 0-395-27625-X
- Isaac Asimov's Book of Facts (1979), ISBN 0-517-36111-6
- Opus 300 (1984), ISBN 0-395-36108-7
- Our Angry Earth: A Ticking Ecological Bomb (1991), ISBN 0-312-85252-5.
- Asimov, Isaac. In Memory Yet Green. p. 31.
The date of my birth, as I celebrate it, was January 2, 1920. It could not have been later than that. It might, however, have been earlier. Allowing for the uncertainties of the times, of the lack of records, of the Jewish and Julian calendars, it might have been as early as October 4, 1919. There is, however, no way of finding out. My parents were always uncertain and it really doesn't matter. I celebrate January 2, 1920, so let it be.
- Pronunciation note: In the humorous poem "The Prime of Life" published in the anthology The Bicentennial Man and Other Stories (p. 3), Asimov rhymes his name thusly: "Why, mazel tov, it's Asimov". In his comments on the poem, Asimov wrote that originally it was "Why, stars above, it's Asimov", and when someone suggested to use "mazel tov" instead, Asimov accepted this as a significant improvement.
- Asimov, Isaac. In Memory Yet Green. p. 12.
There are three very simple English words: 'Has,' 'him' and 'of.' Put them together like this—'has-him-of'—and say it in the ordinary fashion. Now leave out the two h's and say it again and you have Asimov.
- Asimov, Stanley (1996). Yours, Isaac Asimov.
My estimate is that Isaac received about 100,000 letters in his professional career. And with the compulsiveness that has to be a character trait of a writer of almost 500 books, he answered 90 percent of them. He answered more than half with postcards and didn't make carbons of them. But with the 100,000 letters he received, there are carbons of about 45,000 that he wrote.
- He obtained his Ph.D. on 20 May 1948. The title of his dissertation was "Kinetics of the Reaction Inactivation of Tyrosinase During Its Catalysis of the Aerobic Oxidation of Catechol." An abridged version was published in the Journal of the American Chemical Society (February 1950, p. 820; online at the JACS website here (subscription required)). (The introduction to the full dissertation was reprinted in his book Opus 100, pages 171–173.)
- He had entered the army on November 1, 1945.
- Between 1950 and 1953 he published only seven scientific research papers: the summary of his PhD dissertation (see previous footnote), which he described as "my longest and my best," and six papers about his research at Boston ("all those papers were unimportant").
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 244.
I wrote a novel in 1953 which pictured a world in which everyone lived in underground cities, comfortably enclosed away from the open air. People would say, "How could you imagine such a nightmarish situation?" And I would answer in astonishment, "What nightmarish situation?"
- The two exceptions were both 1,000-word short stories written in 1941, "Masks" and "Big Game." The latter was published in 1974.
- A 400th essay, a compilation of excerpts from his earlier essays edited by his widow Janet Jeppson Asimov, was published in the magazine in 1994.
- Asimov, In Joy Still Felt (1980), pp. 464–465: "Of all the books I have ever worked on, I think Asimov's Guide to Shakespeare gave me the most pleasure, day in, day out. For months and months I lived and thought Shakespeare, and I don't see how there can be any greater pleasure in the world—any pleasure, that is, that one can indulge in for as much as ten hours without pause, day after day indefinitely."
- Reprinted as "The Birth and Death of the Universe" in Is Anyone There? (Doubleday, 1967)
- Asimov, Isaac (1994). "I, Asimov: A Memoir". New York: Doubleday: 380.
When Israel was founded in 1948 and all my Jewish friends were jubilant, I was the skeleton at the feast. I said, "We are building ourselves a ghetto. We will be surrounded by tens of millions of Muslims who will never forgive, never forget and never go away."... But don't Jews deserve a homeland? Actually, I feel that no human group deserves a "homeland" in the usual sense of the word. ... I am not a Zionist, then, because I don't believe in nations, and Zionism merely sets up one more nation to trouble the world.
- Seiler, Edward; Jenkins, John H. (June 27, 2008). "Isaac Asimov FAQ". Isaac Asimov Home Page. Retrieved July 2, 2008.
- Freedman, Carl (2000). "Critical Theory and Science Fiction". Doubleday: 71.
- "Isaac Asimov Biography and List of Works". Biblio.com. Retrieved March 5, 2008.
- "1966 Hugo Awards". thehugoawards.org. Hugo Award. Retrieved July 28, 2017.
- Asimov, Isaac (1994). I. Asimov: A Memoir. New York: Doubleday. pp. 475–76. ISBN 0-385-41701-2.
- Asimov, Isaac (1969). Opus 100. Houghton Mifflin Harcourt.
So [Walter Bradbury] said, 'Use a pseudonym.' And I did. I choose Paul French and ...
- Asimov, Isaac (1994). I. Asimov: A Memoir. New York: Doubleday. p. 500. ISBN 0-385-41701-2.
- Minor Planet Center (retrieved 22 October 2017)
- "USGS Gazetteer of Planetary Nomenclature, Mars: Asimov". Retrieved September 4, 2012.
- Edgett, Ken (May 27, 2009). "The Martian Craters Asimov and Danielson". The Planetary Society. Retrieved November 6, 2017.
- "P.S. 099 Isaac Asimov" at New York City Department of Education website. (Retrieved 6 August 2018.)
- Asimov, Isaac (1979). In Memory Yet Green. pp. 8, 10–11.
- Asimov, Isaac. In Memory Yet Green. p. 11.
- Asimov, Isaac (1987). The Best Science Fiction of Isaac Asimov. Glasgow: Grafton Books. p. 243.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 79–82.
- Asimov, Isaac (1979) In Memory Yet Green, pp. 8, 22, 30. Avon.
- Asimov, Isaac (1979) In Memory Yet Green, pp. 3–4. Avon.
- Asimov, Isaac. I. Asimov: A Memoir, ch. 5. Random House, 2009. ISBN 0-307-57353-2
- Asimov, Isaac (1975). Before the Golden Age. 1. Orbit. p. 4. ISBN 0-8600-7803-5.
- Isaac Asimov FAQ, asimovonline.com
- "Marcia (Asimov) Repanes". Newsday. April 4, 2011. Retrieved August 11, 2011.
- "Stanley Asimov, 66, Newsday Executive". The New York Times. August 17, 1995. Retrieved August 11, 2011.
- Asimov, Isaac. In Memory Yet Green, p. 661
- Asimov, Isaac (1979) In Memory Yet Green, pp. 40–41. Avon.
- Asimov, Isaac (2002). Janet Asimov (ed.). It's Been a Good Life. Amherst, New York: Prometheus Books. p. 12. ISBN 1-57392-968-9.
- Asimov, Isaac (1979) In Memory Yet Green, pp. 47–48, 80. Avon.
- Asimov, Isaac (1994). I. Asimov: A Memoir. Bantam Books. pp. 2–3. ISBN 0-553-56997-X.
- Asimov, Isaac (1979). In Memory Yet Green. Avon Books. pp. 51–52. ISBN 0-380-75432-0.
- Asimov, Isaac. In Memory Yet Green, pp. 51–52
- Konstantin, Phil. "An Interview with Isaac Asimov". americanindian.net. Retrieved March 3, 2015.
- Asimov, Isaac (1973). The Early Asimov Volume 1. St. Albans, Hertfordshire, UK: Panther Books. p. 10. ISBN 0-586-03806-X.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 180–183.
- Asimov, Isaac (1979). In Memory Yet Green. pp. 525–526.
- "Kinetics of the Reaction Inactivation of Tyrosinase During Its Catalysis of the Aerobic Oxidation of Catechol". www.asimovreviews.net.
- Asimov, Isaac (1979). In Memory Yet Green. p. 584.
- Asimov, I. (1969) Opus 100, Dell, pp. 143–144
- Asimov, Isaac (1979). In Memory Yet Green. p. 552.
- Asimov, Isaac (1979). In Memory Yet Green. pp. 298–299.
- Seiler, Edward; Jenkin, John H. (1994–2014). "Frequently Asked Questions about Isaac Asimov". asimovonline.com. Retrieved July 27, 2014.
- Everts, Bart. "SciPhi: Isaac Asimov's West Philly Years". Retrieved July 28, 2014.
- Asimov, Isaac. In Memory Yet Green, p. 426
- Asimov, Isaac. In Memory Yet Green. pp. 467–468.
- Asimov, Isaac. In Memory Yet Green. p. 476.
- Asimov, Isaac. In Memory Yet Green. p. 473.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 560–564.
- Isaac Asimov Interview with Don Swaim Archived September 26, 2008, at the Wayback Machine (1987)
- Asimov, Isaac. In Memory Yet Green. pp. 584–585.
- Asimov, Isaac (1975) Buy Jupiter and Other Stories, VGSF (1988 ed.) p. 112
- Asimov, Isaac (1994). I. Asimov: A Memoir. pp. 195–200.
- Asimov, Isaac (1973). The Tragedy of the Moon. pp. 222–223.
- Asimov, Isaac (1994). I. Asimov: A Memoir. p. 199.
- Asimov, Isaac. In Joy Still Felt. pp. 353–55.
- "Howard Gotlieb Archival Research Center: Asimov, Isaac (1920–1992)". Retrieved July 27, 2016.
- "Isaac Asimov Asks, 'How Do People Get New Ideas?'". MIT Technology Review. October 20, 2014. Retrieved February 18, 2015.
- Dean, James (October 27, 2014). "The write stuff: Asimov's secret Cold War mission". The Times of London. Retrieved October 27, 2014.
- Asimov, I. (1979) In Memory Yet Green, (Avon 1980 edition), p. 351
- Geni.com (Retrieved 23 March 2019)
- Asimov, I. (1979) In Memory Yet Green, (Avon 1980 edition), p. 364
- Asimov, I. (1979) In Memory Yet Green, (Avon 1980 edition), pp. 355, 366, 476, 480–481, 532, 560–563, 623, and Asimov, I. (1979) In Joy Still Felt, (Avon 1980 edition), pp. 47–49
- "Isaac Asimov FAQ". asimovonline.com. Retrieved March 3, 2015.
- Asimov wrote in 1969 that "periodic trips to New York ... have, more and more, become a kind of highlight to my life". Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 267.
- Asimov, Isaac. (1975) Buy Jupiter and Other Stories, VGSF (1988 ed.), p. 205
- Asimov, Isaac (1980). In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. Garden City, New York: Doubleday. pp. 659, 661. ISBN 0-385-15544-1.
- Asimov, Isaac (1994). I. Asimov: A Memoir. New York: Doubleday. pp. 129–131. ISBN 0-385-41701-2.
- Asimov, Isaac (1979). In Memory Yet Green: The Autobiography of Isaac Asimov, 1920–1954. Garden City, New York: Doubleday. ISBN 0-385-13679-X.
- Asimov, I. (1973) "The Cruise and I", in The Tragedy of the Moon (1973, Dell), chapter 16
- Asimov, Isaac (1994). I. Asimov: A Memoir. New York: Doubleday. pp. 125–129. ISBN 0-385-41701-2.
- Asimov (1980) In Joy Still Felt p. 471
- In Memory Yet Green p. 22
- Lewin, Sarah (October 23, 2018). "Asimov's Sword: Excerpt from 'Astounding' History of Science Fiction". Space.com. Purch. Retrieved November 9, 2018.
- Kellogg, Carolyn (May 6, 2013). "Harlan Ellison, Isaac Asimov, Studs Terkel together in 1982 video". Los Angeles Times. Ross Levinsohn. Retrieved November 9, 2018.
- Asimov, I. (1980) In Joy Still Felt p. 677
- Asimov, Isaac (1992). Asimov Laughs Again. New York: HarperCollins Publishers. ISBN 0-06-016826-9.
- See NeroWolfe.org
- White (2005), pp. 83 and 219–20
- Asimov, Isaac. I. Asimov, a Memoir, New York, Doubleday, 1994, pages 376–377.
- Asimov, Isaac. More Tales of the Black Widowers, Greenwich (Connecticut), Fawcett Crest, 1976, page 223.
- Asimov, Isaac. In Joy Still Felt, Avon, 1980, pages 699–700.
- "Humanist Manifesto II". American Humanist Association. Archived from the original on October 20, 2012. Retrieved October 2, 2012.
- "Isaac Asimov". The Guardian. Guardian News and Media Limited. July 22, 2008. Archived from the original on May 10, 2017. Retrieved March 3, 2015.
- "Sixteen Notable Figures in Science and Skepticism Elected CSI Fellows". Committee for Skeptical Inquiry. Retrieved October 11, 2012.
- Blackmore, Susan. "Playing with fire / Firewalking with the Wessex Skeptics". New Scientist. Retrieved October 11, 2012.
- "About CSI". Committee for Skeptical Inquiry. Retrieved April 29, 2014.
- "The Pantheon of Skeptics". Retrieved April 29, 2014.
- "A Conversation with James Randi". YouTube. Center For Inquiry. Retrieved August 25, 2017.
- Asimov, Isaac (1981) [Originally published 1980; Garden City, NY: Doubleday]. In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. New York: Avon. pp. 217, 302. ISBN 0-380-53025-2. LCCN 79003685. OCLC 7880716.
- Asimov, Isaac (2009). I.Asimov: A Memoir (ebook ed.). New York: Bantam Books. pp. 546–547. ISBN 978-0-307-57353-7. OCLC 612306604. Retrieved July 3, 2014.
- Asimov, Isaac (1994). "I, Asimov: A Memoir". New York: Doubleday: 380.
- Asimov (1981), In Joy Still Felt, Avon Books edition (originally Doubleday, 1980), p. 500
- "Asimov FAQ". September 27, 2004. Retrieved January 17, 2007.
- Asimovonline.com FAQs Retrieved September 9, 2017.
- "Isaac Asimov, Whose Thoughts and Books Traveled the Universe, Is Dead at 72". New York Times. April 7, 1992. p. B7. Retrieved September 4, 2012.
- Bock, Hal (April 9, 1992). "Ashe says transfusion gave him AIDS: Former tennis star blames tainted blood received during 1983 bypass surgery". The Globe and Mail. p. E5.
- Asimov, Isaac (2002). It's Been a Good Life. New York: Prometheus Books. pp. 251–3. ISBN 978-1-57392-968-4.
- "Locus Online: Letter from Janet Asimov". April 4, 2002. Retrieved January 17, 2007.
- "Widow reveals Isaac Asimov died from Aids", The Sunday Times, 17 March 2002
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. pp. 205, 244.
- Asimov, Isaac (1988). "Prelude to Foundation". Bantam Books: xiii–xv.
- Yours, Isaac Asimov, p. 329
- Seiler, Edward; Hatcher, Richard (2014). "Is Data from Star Trek: The Next Generation an Asimovian robot?". Isaac Asimov Home Page. Retrieved August 3, 2016.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City, New York: Doubleday. p. 1.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 1–9.
- Video: Asimov at 391 (1988). The Open Mind (TV series). 1988. Retrieved February 21, 2012.
- Asimov, Isaac (1975). Before the Golden Age. 1. Orbit. p. 14. ISBN 0-8600-7803-5.
- Asimov, Isaac. In Memory Yet Green (Avon Books), pp. 208–212.
- Gunn, James (1982). Isaac Asimov: The Foundations of Science Fiction. Oxford, England: Oxford University Press. pp. 12–13, 20. ISBN 0-19-503059-1.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 25–28.
- Isaac Asimov at the Internet Speculative Fiction Database (ISFDB). Retrieved April 22, 2013. Select a title to see its linked publication history and general information. Select a particular edition (title) for more data at that level, such as a front cover image or linked contents.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. p. 245.
- Asimov, The Early Asimov Frogmore, UK: Panther Books, pp. 147, 230
- Asimov, I. (1981). In Joy Still Felt. Avon Books. p. 582.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 166–169.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 202–205.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 335–339.
- Asimov, I. Nightfall and Other Stories (1969) (Grafton Books 1991 edition, pp. 9–10)
- Bretnor, Reginald (1953). Modern Science Fiction: Its Meaning and Its Future. New York: Coward-McCann. pp. 157–197.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 390–397.
- "Clarkesworld Magazine – Science Fiction & Fantasy". Clarkesworld Magazine.
- The Long List of Hugo Awards, 1966 at nesfa.org (retrieved April 24, 2016).
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 442–443.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 466–470.
- Sampson, Michael (January 14, 2004). "The Bottom of Things". Archived from the original on February 12, 2007. Retrieved January 17, 2007.
- "Series: Isaac Asimov's Robot Mysteries". ISFDB. Retrieved August 4, 2016.
- "Series: Second Foundation Trilogy". ISFDB. Retrieved August 4, 2016.
- "Publication: Psychohistorical Crisis". ISFDB. Retrieved August 4, 2016.
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 488–501.
- Latham, Rob (2009). "Fiction, 1950-1963". In Bould, Mark; Butler, Andrew M.; Roberts, Adam; Vint, Sherryl (eds.). The Routledge Companion to Science Fiction. Routledge. pp. 80–89. ISBN 9781135228361.
- In Memory Yet Green p. 627
- Asimov, Isaac (1973). "Introduction". The Best of Isaac Asimov. Sphere Books. pp. ix-xiv. ISBN 0-385-05078-X. LCCN 74-2863.
- Asimov (1975) Buy Jupiter and Other Stories, VGSF (1988 ed.) p. 174
- "1973 Awards". The Locus Index to SF Awards. Archived from the original on October 1, 2013. Retrieved September 8, 2017.
- Asimov, I. (1980) In Joy Still Felt Avon, p. 693
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 224.
- Asimov, Isaac. I. Asimov: A Memoir. pp. 428–429.
- Asimov, Isaac (1995). I. Asimov: A Memoir. New York: Bantam. pp. 252–254. ISBN 0-553-56997-X.
- Budrys, Algis (June 1965). "Galaxy Bookshelf". Galaxy Science Fiction. pp. 164–169.
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 321.
- List of Asimov's essays for F&SF at Asimovonline.com (Retrieved 28 October 2018).
- Asimov, Isaac (January 1975). "Thinking About Thinking". The Magazine of Fantasy and Science Fiction. New York: Mercury Press, Inc.
- Asimov, Isaac (November 1967). "Knock Plastic!". The Magazine of Fantasy and Science Fiction. New York: Mercury Press, Inc.
- 1963 Hugo Award winners at the New England Science Fiction Association website (retrieved 22 October 2017)
- I. Asimov: A Memoir chapter 65.
- Asimov, Isaac (August 1967). "S. F. as a Stepping Stone". Editorial. Galaxy Science Fiction. pp. 4, 6.
- Asimov, I. In Joy Still Felt (Doubleday, 1980) chapter 30.
- Gale, Floyd C. (August 1960). "Galaxy's 5 Star Shelf". Galaxy Science Fiction. pp. 117–121.
- Gale, Floyd C. (December 1961). "Galaxy's 5 Star Shelf". Galaxy Science Fiction. pp. 144–147.
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 299.
- According to the Oxford English Dictionary, the term "robotics" was first used in the short story "Liar!" published in the May 1941 issue of Astounding Science Fiction.
- Asimov, Isaac (1996) . "The Robot Chronicles". Gold. London: Voyager. pp. 224–225. ISBN 0-00-648202-3.
- Asimov, Isaac (1983). "4 The Word I Invented". Counting the Eons. Doubleday.
Robotics has become a sufficiently well developed technology to warrant articles and books on its history and I have watched this in amazement, and in some disbelief, because I invented ... the word
- Oxford Dictionary website entry for "positronic"
- Asimov, Isaac (July 1988). "Psychohistory". Isaac Asimov's Science Fiction. Vol. 12 no. 7. Davis Publications. pp. 4–8. ISSN 0162-2188.
- Asimov, Isaac (1965). The Greeks: A Great Adventure. Boston: Houghton Mifflin.
- Asimov, Isaac (1966). The Roman Republic. Boston: Houghton Mifflin.
- Asimov, Isaac (1967). The Roman Empire. Boston: Houghton Mifflin.
- Asimov, Isaac (1967). The Egyptians. Boston: Houghton Mifflin.
- Asimov, Isaac (1968). The Near East: 10,000 Years of History. Boston: Houghton Mifflin.
- Asimov, Isaac (1991). Asimov's Chronology of the World. New York: HarperCollins.
- I. Asimov: A Memoir chapter 112
- Asimov, Isaac (1991). "Puzzles of the Black Widowers". Bantam Books: xiii–xiii.
- Asimov, Isaac (1971). Isaac Asimov's Treasury of Humor. New York: Houghton Mifflin. ISBN 0-395-12665-7.
- Asimov, Isaac (1992). Asimov Laughs Again. London: HarperCollins. ISBN 0-06-016826-9.
- In Joy Still Felt p. 569
- Hines, Jim C. (August 29, 2016). "Don't Look Away: Fighting Sexual Harassment in the Scifi/Fantasy Community". io9. Retrieved December 18, 2017.
- Asimov, Isaac (1979). In Memory Yet Green: The Autobiography of Isaac Asimov, 1920–1954. New York: Doubleday. ISBN 0-385-13679-X.
- Asimov, Isaac (1979). In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. New York: Doubleday. ISBN 0-385-13679-X.
- Asimov, Isaac (1994). I. Asimov: A Memoir. New York: Doubleday. ISBN 0-385-41701-2.
- List of 1995 Hugo Awards Archived May 7, 2011, at the Wayback Machine at the official website. (Retrieved March 25, 2016.)
- Asimov, Isaac (2002). It's Been a Good Life. New York: Prometheus Books. ISBN 1-57392-968-9.
- Asimov, Isaac (1969). Opus 100. Boston: Houghton Mifflin.
- Asimov, Isaac (1979). Opus 200. Boston: Houghton Mifflin. ISBN 0-395-27625-X.
- Asimov, Isaac (1984). Opus 300. Boston: Houghton Mifflin. ISBN 0-395-36108-7.
- Asimov, Janet; Asimov, Isaac (1987). How to Enjoy Writing: A Book of Aid and Comfort. New York: Walker & Co. ISBN 0-8027-0945-1.
- "How to Enjoy Writing: A Book of Aid and Comfort". John H. Jenkins. Retrieved August 4, 2016.
- "Letters of Note: Getting Star Trek on the air was impossible".
- Asimov, Isaac (1973). "The Week Excuse". The Tragedy of the Moon. Doubleday and Co. pp. 48–58. ISBN 0-440-18999-3.
- "Asimov, Isaac" Archived October 16, 2012, at the Wayback Machine. The Locus Index to SF Awards: Index of Literary Nominees. Locus Publications. Retrieved March 24, 2013.
- Seiler, Edward; Hatcher, Richard (2014). "What awards did he win for his writing?". Retrieved August 4, 2016.
- List of Worldcon guests of honor at smofinfo.com (Retrieved March 25, 2019)
- Building Blocks of the Universe at asimovreviews.net (retrieved 22 October 2017).
- Asimov, I. (1980) In Joy Still Felt Avon, p. 210
- Asimov, I. (1980) In Joy Still Felt Avon, p. 278
- "Book of Members, 1780–2010: Chapter A" (PDF). American Academy of Arts and Sciences. Retrieved April 25, 2011.
- James T. Grady-James H. Stack Award for Interpreting Chemistry for the Public at the American Chemical Society website (retrieved 22 October 2017)
- 1966 Hugo Award winners at the New England Science Fiction Association website (retrieved 22 October 2017)
- The E. E. Smith Memorial Award at the New England Science Fiction Association website (retrieved 22 October 2017)
- AAAS-Westinghouse Science Writing Award at docslide.com (retrieved 22 October 2017) (scroll down).
- "The Gods Themselves". Worlds Without End. Retrieved September 8, 2017.
- Past Recipients of the Klumpke-Roberts Award at the Astronomical Society of the Pacific website (retrieved 22 October 2017)
- "sfadb : Isaac Asimov Awards". www.sfadb.com.
- 1977 Hugo Award winners at the New England Science Fiction Association website (retrieved 22 October 2017)
- "Nebula Awards 1977". Science Fiction Awards Database. Locus. Archived from the original on October 25, 2015. Retrieved December 6, 2011.
- "sfadb: Locus Awards 1977". www.sfadb.com.
- "1983 Award Winners & Nominees". Worlds Without End. Retrieved June 30, 2009.
- "The Humanist of the Year". American Humanist Association. Archived from the original on January 14, 2013. Retrieved May 1, 2012.
- "Damon Knight Memorial Grand Master" Archived January 23, 2013, at the Wayback Machine Science Fiction and Fantasy Writers of America (SFWA). (Retrieved March 24, 2013.)
- "Award Category: Best Short Story (Locus Poll Award)" at the Internet Speculative Fiction Database (retrieved 22 October 2017)
- 1992 Hugo Award winners at the New England Science Fiction Association website (retrieved 22 October 2017)
- 1995 Hugo Award winners at the New England Science Fiction Association website (retrieved 22 October 2017)
- 1946 Retro-Hugos at the Hugo Awards website
- "Science Fiction and Fantasy Hall of Fame" Archived May 21, 2013, at the Wayback Machine. Mid American Science Fiction and Fantasy Conventions, Inc. Retrieved March 24, 2013. This was the official website of the hall of fame to 2004.
- Israel Philatelic Federation (retrieved 22 October 2017)
- "Bill Text Versions 111th Congress (2009–2010) H.RES.1055". Thomas.loc.gov. Retrieved September 20, 2013.
- "2015 Inductees to the NYS Writers Hall of Fame Announced", New York Library Association website. (Retrieved March 26, 2016.)
- 1941 Retro-Hugos at the Hugo Awards website
- 1943 Retro-Hugos at the Hugo Awards website (original title "The Encyclopedists")
- Asimov, Isaac (1972). The Early Asimov; or, Eleven Years of Trying. Garden City NY: Doubleday. pp. 142–145.
- Fallows, James (July 1982). "Living With a Computer". The Atlantic. Retrieved March 17, 2019.
- Gunn, James (July 1980). "On Variations on a Robot". Isaac Asimov's Science Fiction Magazine. pp. 56–81.
- Asimov, Isaac (October 1989). "Nemesis".
- Cowart, David; Wymer, Thomas L. (1981). Dictionary of Literary Biography: Volume 8: Twentieth-Century American Science Fiction Writers. Detroit: Gale Research. pp. 15–29.
- Gunn, James (1982). Isaac Asimov: The Foundations of Science Fiction. Oxford: Oxford University Press. ISBN 0-19-503059-1.
- Beyond the Golden Age pp.222–223
- Jenkins, John. "Review of The Gods Themselves". Retrieved September 4, 2012.
- Asimov, Isaac (1952), The Currents of Space, explanation of "kyrt"
- Asimov, Isaac (1980). In Joy Still Felt. p. 567.
- Asimov, Isaac (1994). "I, Asimov: A Memoir". New York: Doubleday: 250.
- Asimov, Isaac (1995). Gold. New York: HarperPrism. pp. 109–138. ISBN 0-06-105206-X.
- Asimov (1983) The Complete Robot, Grafton Books, p. 327
- Asimov, Isaac (1969). Nightfall, and other stories. Doubleday. p. 165.
- Isaac Asimov, "The Way of Reason", in In Pursuit of Truth: Essays on the Philosophy of Karl Popper on the Occasion of his 80th Birthday,, ed. Paul Levinson, Humanities Press, 1982, pp. ix–x.
- Asimov, Isaac (1995). I. Asimov: A Memoir. New York: Bantam. pp. 11–14. ISBN 0-553-56997-X.
- In Memory Yet Green, p. 121
- Asimov, Isaac. In Memory Yet Green: The Autobiography of Isaac Asimov, 1920–1954. Doubleday, 1979.
- "I make no secret of the fact that I am a non-observant Jew", Asimov, Isaac. Isaac Asimov's Science Fiction Magazine, Volume 15, Issues 10–13. p. 8. Davis Publishing, 1991.
- Isaac Asimov on Science and the Bible (Free Inquiry – Spring 1982)
- "Isaac Asimov on religion". Corvallis Secular Society. 1997. Archived from the original on November 27, 2005.
- Asimov, Isaac (1995). I. Asimov: A Memoir. New York: Bantam. p. 338. ISBN 0-553-56997-X.
- Asimov, Isaac (1995). I. Asimov: A Memoir. New York: Bantam. pp. 336–338. ISBN 0-553-56997-X.
- Asimov, Isaac (1995). Gold: The Final Science Fiction Collection. pp. 297–302.
- Asimov, I. In Joy Still Felt (Avon, 1981) p. 503
- Asimov, Isaac (1980). In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. Garden City, New York: Doubleday. p. 574. ISBN 0-385-15544-1.
- Asimov, I. In Joy Still Felt (Doubleday, 1980) chapter 39
- Skelding, Conor (November 7, 2013). ""Inimical to the best interests of the United States." Isaac Asimov's FBI File". MuckRock.
- Asimov, Isaac. In Memory Yet Green.
- Asimov, Isaac (1996). Yours, Isaac Asimov, edited by Stanley Asimov. ISBN 0-385-47624-8.
- "Bill Moyer's World of Ideas, Part I" (PDF). transcript page 6, 10/17/1988 show. Retrieved December 31, 2012.
- "Bill Moyer's World of Ideas, Part II" (PDF). transcript page 3, 10/17/1988 show. Retrieved December 31, 2012.
- "Isaac Asimov on His Hopes for the Future (Part Two)". October 21, 1988 PBS broadcast Moyers and Company. Retrieved October 5, 2015.
- "Space utilization". Big Think. December 27, 2018. Retrieved December 30, 2018.
- Asimov, Isaac; Pohl, Frederik (1991). Our Angry Earth. New York: Tor. ISBN 0-312-85252-5.
- Chow, Dan (December 1991). "Review: Our Angry Earth". Locus. Oakland: Locus Publications.
- Moyers, Bill; Flowers, Betty Sue (1989). A world of ideas : conversations with thoughtful men and women about American life today and the ideas shaping our future (1st ed.). New York: Doubleday. p. 6. ISBN 0-385-26278-7.
- Asimov, Isaac (1976). "Nothing Like Murder". More Tales of the Black Widowers. Doubleday. pp. 62–76. ISBN 0-385-11176-2.
- Carpenter, Humphrey, ed. (1981), The Letters of J. R. R. Tolkien, Boston: Houghton Mifflin, No. 294, ISBN 0-395-31555-7
- I. Asimov: A Memoir p. 246
- I. Asimov: A Memoir (1995, Bantam Books), p. 379
- I. Asimov: A Memoir (1995, Bantam Books), p. 391
- Asimov (1979) In Memory Yet Green p. 90
- Asimov, In Joy Still Felt (Avon, 1980) p. 369
- Krugman, Paul (August 30, 2010). "The Conscience of a Liberal, Who Are You Calling Dense?". The New York Times. Retrieved November 18, 2010.
- Jenkins, John. "Review of an Asimov biography, The Unauthorized Life". Retrieved September 4, 2012.
- Nissani, M. (1997). "Ten Cheers for Interdisciplinarity: The Case for Interdisciplinary Knowledge and Research". Social Science Journal. 34 (2): 201–216. doi:10.1016/s0362-3319(97)90051-3.
- Christian, James L. (2011). Philosophy: An Introduction to the Art of Wondering. Cengage Learning. p. 66.
- Christian, James L. (2011). Philosophy: An Introduction to the Art of Wondering. Cengage Learning. p. 67.
- Asimov, I. In Joy Still Felt (Avon, 1980) p. 167
- Asimov, Isaac. In Joy Still Felt. pp. 464, 520–21, 569–70.
- Asimov, Isaac. In Joy Still Felt. pp. 502–03.
- Seiler, Edward; Hatcher, Richard (2014). "Just how many books did Asimov write?". Isaac Asimov Home Page. Retrieved August 4, 2016.
- Seiler, Edward; Hatcher, Richard (1995). "Asimov essays about psychology". Isaac Asimov Home Page. Retrieved May 13, 2013.
- Seiler, Edward; Hatcher, Richard (2014). "Did you know that Asimov is the only author to have published books in all ten categories of the Dewey Decimal System?". Retrieved August 4, 2016.
- Index Translationum database
- WVU Libraries Asimov Collection. Retrieved September 4, 2012.
- Asimov, I. Prelude to Foundation (Grafton, 1989) p.9
- "Planets for Man". RAND. September 15, 2010. Retrieved June 23, 2012.
- In Joy Still Felt (1980), New York: Avon ISBN 0-380-53025-2.
- I. Asimov: A Memoir (1994), ISBN 0-385-41701-2 (hc), ISBN 0-553-56997-X (pb).
- Yours, Isaac Asimov (1996), edited by Stanley Asimov. ISBN 0-385-47624-8.
- It's Been a Good Life (2002), edited by Janet Asimov. ISBN 1-57392-968-9.
- Goldman, Stephen H., "Isaac Asimov", in Dictionary of Literary Biography, Vol. 8, Cowart and Wymer eds. (Gale Research, 1981), pp. 15–29.
- Gunn, James. "On Variations on a Robot", IASFM, July 1980, pp. 56–81.
- Isaac Asimov: The Foundations of Science Fiction (1982). ISBN 0-19-503060-5.
- The Science of Science-Fiction Writing (2000). ISBN 1-57886-011-3.
- Fiedler, Jean; Mele, Jim (1982). Isaac Asimov. New York: Ungar. ISBN 0-8044-2203-6.
- Olander, Joseph D.; Greenberg, Martin H., eds. (1974). Isaac Asimov. ISBN 978-0-8008-4257-4.
- Patrouch, Joseph F. (1977). The Science Fiction of Isaac Asimov. Garden City, N.Y.: Doubleday. ISBN 0-385-08696-2.
- Touponce, William F. (1991). Isaac Asimov. Boston: Twayne Publishers. ISBN 0-8057-7623-0.
- White, Michael (1994). Asimov: The Unauthorized Life. Harmondsworth: Penguin. ISBN 0-14-004130-3.
- White, Michael (2005). Isaac Asimov: A Life of the Grand Master of Science Fiction. Carroll & Graf Publishers. ISBN 0-7867-1518-9.
- Käkelä, Jari (2016). The Cowboy Politics of an Enlightened Future: History, Expansionism, and Guardianship in Isaac Asimov's Science Fiction. Helsinki: University of Helsinki. ISBN 978-951-51-2404-3.
- Patrouch, Joseph (1974). The Science Fiction of Isaac Asimov. New York: Doubleday. ISBN 978-038-50-8696-7.
- Isaac Asimov Home Page, a vast repository of information about Asimov, maintained by Asimov enthusiast Edward Seiler
- Isaac Asimov at the Internet Book Database of Fiction
- Isaac Asimov on IMDb
- Isaac Asimov at the Internet Speculative Fiction Database
- Isaac Asimov at the Internet Book List
- Works by Isaac Asimov at Open Library
- Guardian Books "Author Page", with profile and links to further articles.
- P.S. 99: The Isaac Asimov School for Science and Literature
- Frederik Pohl on Asimov
- "Isaac Asimov biography". Science Fiction and Fantasy Hall of Fame.
- Jenkins' Spoiler-Laden Guide to Isaac Asimov, reviews of all of Asimov's books
- Isaac Asimov Memorial Debates, with videos, at the Hayden Planetarium
- Information about Asimov's ancestors at byrnefamily.net (retrieved 24 February 2019)
- Isaac Asimov at Find a Grave
By Isaac Asimov
- 15-Book Reading Order as Suggested by Asimov From "Author's Note" of "Prelude to Foundation" Doubleday 1988 hardcover edition
- Works by Isaac Asimov at Project Gutenberg
- Works by or about Isaac Asimov at Internet Archive
- The short film Interview with Isaac Asimov (1975) is available for free download at the Internet Archive
- Works by Isaac Asimov at LibriVox (public domain audiobooks)
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