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|Born||12 April 1705
|Died||17 October 1780 (1780-10-18) (aged 75)|
|Fields||Pharmacy, Porcelain manufacture|
William Cookworthy (12 April 1705 – 17 October 1780) was an English Quaker minister, a successful pharmacist and an innovator in several fields of technology. He was the first person in Britain to discover how to make hard-paste porcelain, like that imported from China. He subsequently discovered china clay in Cornwall. In 1768 he founded a works at Plymouth for the production of Plymouth porcelain; in 1770 he moved the factory to Bristol, to become Bristol porcelain, before selling it to a partner in 1773.
Parents, birth, siblings and early life
He was born of Quaker parents in Kingsbridge, Devon on 12 April 1705. His father, also called William, was a weaver and his mother was Edith, the daughter of John and Margaret Debell of St Martin-by-Looe in east Cornwall: they had married in 1704. Their children were:
- William – 1705
- Sarah – 1706
- Jacob – 1709
- Susannah – 1711
- Mary – 1714
- Philip – 1716
- Benjamin – 1717
William was a bright child but his education was halted when his father died on 22 October 1718 and the family's investment in the South Sea Company failed in the autumn of 1720.
William had been offered an apprenticeship, at no cost, by the Bevan Brothers, two Quaker apothecaries, with a successful business in London. As the family had no spare money, William walked to London to take up the offer and, eventually, completed the apprenticeship. He was taken into partnership.
He moved to Plymouth, where he set up a pharmacy as Bevan and Cookworthy. This flourished. He eventually brought his brothers Philip and Benjamin into the partnership and bought out the Bevans' interest in 1745. He became prominent among Devon Quakers, being appointed as an Elder. Among his concerns was that Quakers should not tolerate their members trading in prize goods (ships and their cargoes seized in war), as Quakers should not benefit from war.
The manufacture of porcelain was at the time attracting great attention in England, and while the factories at Bow, Chelsea, Worcester and Derby were introducing the artificial glassy porcelain, Cookworthy, following the accounts from China of the Jesuit priest Père d'Entrecolles, spent many years in searching for English materials similar to those used in China. From 1745 onwards he seems to have travelled over the greater portion of Cornwall and Devon in search of these minerals, and he finally located them in the parish of St Stephen's near St Austell. With a certain amount of financial assistance from Thomas Pitt (afterwards 1st Baron Camelford) he established the Plymouth China Factory at least as early as 1768.
The factory was moved to Bristol about 1770, and the business was afterwards sold to Richard Champion and others and became the Bristol Porcelain Manufactory. Although the Plymouth porcelain was not of high quality, Cookworthy is remembered for his discovery of those abundant supplies of English clay and rocks which later formed the foundation of English porcelain and earthenware.
In 1735, he married Sarah Berry, a Quaker from Wellington in Somerset. They had five daughters:
- Lydia – 1736
- Sarah – 1738
- Mary – 1740
- Elizabeth & Susannah (twins) – 1743
He was also an associate of John Smeaton, who lodged at his house when he was engaged in building the third Eddystone Lighthouse (1756–59). Cookworthy helped Smeaton with the development of hydraulic lime, which was essential to the successful building of the lighthouse.
In 1767 Cookworthy, in conjunction with Rev Thomas Hartley, translated Emanuel Swedenborg's theological works, The Doctrine of Life, Treatise on Influx, and Heaven and Hell, from Latin into English.
His initial reaction to Swedenborg's works was one of disgust, but with persistence, he was convinced of their merits and was a persuasive advocate. Hartley and Cookworthy later visited Swedenborg at his lodgings in Clerkenwell shortly before Swedenborg's death.
- Three Centuries of Ceramic Art in Bristol – The Story of Bristol Pottery and Porcelain: William Cookworthy (accessed 8 March 2008)
- Penderill-Church John (1972). William Cookworthy 1705 – 1780, p. 12. D.Bradford Barton Ltd, Truro Cornwall.
- Silvanus and Timothy Bevan
- Chisholm 1911.
- Selleck, A D. Cookworthy, A man of no common clay. Baron Jay. 1978
- One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Cookworthy, William". Encyclopædia Britannica. 7 (11th ed.). Cambridge University Press. p. 76.
- "William Cookworthy". Quakers in the World. Retrieved 10 July 2016.
- Rawlings, F H (1993), "William Cookworthy, the Bristol connection.", Pharmaceutical historian (published December 1993), 23 (4), p. 12, PMID 11639736
- Selleck, A D (1979), "William Cookworthy, an 18th century polymath.", Pharmaceutical historian (published December 1979), 9 (3), pp. 8–12, PMID 11634368
- Early New Church Worthies by the Rev Dr Jonathon Bayley
- Cookworthy's Plymouth and Bristol Porcelain by F.Severne Mackenna(1947) published by F.Lewis
- William Cookworthy 1705–1780: a study of the pioneer of true porcelain manufacture in England by John Penderill-Church, Truro, Bradford Barton (1972).
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