Hans Sloane
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Sir Hans Sloane

Sir Hans Sloane. Mezzotint by J. Faber, junior, 1729, after Wellcome V0005466.jpg
Sir Hans Sloane
Born(1660-04-16)16 April 1660
Died11 January 1753(1753-01-11) (aged 92)
Resting placeChelsea Old Church
Known forPhysician
Chelsea Physic Garden
British Museum[1]
President of the Royal Society
Sloane Square
Sloane's drinking chocolate
Elisabeth Sloane (née Langley)
AwardsFellow of the Royal Society (1685)

Sir Hans Sloane, 1st Baronet (16 April 1660 - 11 January 1753), was an Anglo-Irish physician, naturalist and collector, with a collection of 71,000 items which he bequeathed to the British nation, thus providing the foundation of the British Museum, the British Library and the Natural History Museum, London.[2][3] He was elected to the Royal Society at the age of 24.[4] Sloane travelled to the Caribbean in 1687 and documented his travels and findings with extensive publications years later. Sloane was a renowned medical doctor among the aristocracy, and was elected to the Royal College of Physicians at age 27.[5] He is credited with creating drinking chocolate.[6] Streets and places were later named after him, including Hans Place, Hans Crescent, and Sloane Square in and around Chelsea, London - the area of his final residence - and also Sir Hans Sloane Square in his birthplace in Ireland, Killyleagh.[7][8][9][10][11][12][13] Following protests against people involved with slavery, a bust of Sloane was removed in August 2020 from prominent display in the British Museum.

Early life

Sloane was born into an Ulster-Scots family on 16 April 1660 at Killyleagh, a village on the south-western shores of Strangford Lough in County Down in Ulster, the northern province in Ireland. He was the seventh son of Alexander Sloane (died 1666), agent for the 1st Earl of Clanbrassil (c. 1618-1659), and brother to James Sloane, M.P. (1655-1704).[14] His mother may have been Sarah Hicks (c. 1620-?), an English woman. Sloane's paternal family had migrated from Ayrshire, in the south-west of Scotland, and settled in east Ulster under King James VI and I. His father died when he was six years old. Like many other Scots 'Planters' in Ulster during the seventeenth-century, the Sloane family were almost certainly of Gaelic origin, Sloane probably being an anglicisation of Ó Sluagháin.[15][16][17]

As a youth, Sloane collected objects of natural history and other curiosities. This led him to the study of medicine, which he did in London, where he studied botany, materia medica, surgery and pharmacy. His collecting habits made him useful to John Ray and Robert Boyle. After four years in London he travelled through France, spending some time at Paris and Montpellier, and stayed long enough at the University of Orange-Nassau[1] to take his MD degree there in 1683. He returned to London with a considerable collection of plants and other curiosities, of which the former were sent to Ray and utilised by him for his History of Plants.

Voyage to the Caribbean and the creation of chocolate milk

Title page, Sloane's Voyage to Jamaica, 1725

Sloane was elected to the Royal Society in 1685.[18] In 1687, he became a fellow of the College of Physicians, and the same year went to Jamaica aboard HMS Assistance as personal physician to the new Governor of Jamaica, the 2nd Duke of Albemarle.[18]

Britain had formally acquired Jamaica from Spain under terms of the 1670 Treaty of Madrid. Under Spanish and British rule the island had become an established source of sugar and other crops farmed using the labour of West African slaves--many from the Akan and other peoples from what is now Ghana and Ivory Coast. Albemarle died in Jamaica the next year, so Sloane's visit lasted only fifteen months.

During his time in the Caribbean, Sloane visited several islands and collected more than 1,000 plant specimens as well as large supplies of cacao and Peruvian bark from which he later extracted quinine to treat eye ailments. Sloane noted about 800 new species of plants, which he catalogued in Latin in his Catalogus Plantarum Quae in Insula Jamaica Sponte Proveniunt (Catalogue of Jamaican Plants), published in 1696. His first writings about his trip appeared in the Philosophical Transactions of the Royal Society, in which Sloane described Jamaican plants such as the Pepper Tree and the coffee-shrub, alongside accounts of the earthquakes that struck Lima in 1687 and Jamaica in 1687/1688 and 1692.

  • A Voyage to the Islands Madera, Barbados, Nieves, S. Christophers and Jamaica. Vol. 1. Sloane. 1707.CS1 maint: ref=harv (link)
  • A Voyage to the Islands Madera, Barbados, Nieves, St Christophers and Jamaica. Vol. 2. Sloane. 1725.CS1 maint: ref=harv (link)

Sloane married Elizabeth Langley Rose, the widow of Fulke Rose of Jamaica, and daughter of Alderman John Langley, a wealthy heiress of sugar plantations in Jamaica worked by slaves.[5][19] The couple had three daughters, Mary, Sarah and Elizabeth,[a] and one son, Hans; only Sarah and Elizabeth survived infancy[20]. Sarah married George Stanley of Paultons and Elizabeth married Charles Cadogan, who became 2nd Baron Cadogan. Once back in Britain, income from Sloane's career as a physician and his London property investments, coupled with Elizabeth's inheritance, enabled Sloane to build his substantial collection of natural history artefacts in the following decades.

Illustration from critique of the first volume of A voyage to the islands Madera, Barbados, Nieves, S. Christophers and Jamaica, published in Acta Eruditorum, 1710

The Natural History Museum lists Sloane as the inventor of drinking chocolate with milk.[6] Sloane encountered the cocoa bean while he was in Jamaica, where the local people drank it mixed with water, though he is reported to have found it nauseating. Many recipes for mixing chocolate with spice, eggs, sugar and milk were in circulation by the seventeenth century. Sloane may have devised his own recipe for mixing chocolate with milk, though if so, he was probably not the first. (Some sources credit Daniel Peter as the inventor in 1875, using condensed milk; other sources point out that milk was added to chocolate centuries earlier in some countries.[21]) By the 1750s, a Soho grocer named Nicholas Sanders claimed to be selling Sloane's recipe as a medicinal elixir, perhaps making "Sir Hans Sloane's Milk Chocolate" the first brand-name milk chocolate drink. By the nineteenth century, the Cadbury Brothers sold tins of drinking chocolate whose trade cards also invoked Sloane's recipe.[22][23]

In 1707 Sloane listed the variety of punishments inflicted on slaves in Jamaica. For rebellion, slaves were usually punished "by nailing them down to the ground ... and then applying the fire by degrees from the feet and hands, burning them gradually up to the head, whereby their pains are extravagant." For lesser crimes, castration or mutilation ("chopping off half the foot") was the norm. And as for negligence, slaves "are usually whipt ... after they are whipt till they are raw, some put on their skins pepper and salt to make them smart; at other times their masters will drip melted wax on their skins, and use very exquisite torments." [24]

Society physician

Sloane, 1736

After studying medicine and botany in London, Paris and Montpellier, Sloane graduated from the University of Orange in 1684 as an MD and moved to London to practice; he was hired as an assistant to prominent physician Thomas Sydenham who gave the young man valuable introductions to practice.[2]

In his own practice, started in 1689 at 3 Bloomsbury Place, London,[19] Sloane worked among the upper classes where he was viewed as fashionable; he built a large practice which became lucrative. The physician served three successive sovereigns: Queen Anne, George I, and George II.

There was some criticism of Sloane during his lifetime as a mere "virtuoso", an undiscriminating collector who lacked understanding of scientific principles.[25] One critic stated that he was merely interested in the collection of knick-knacks, and another called him the "foremost toyman of his time".[26] Sir Isaac Newton described Sloane as "a villain and rascal" and "a very tricking fellow".[27] Some believed that his true achievement was in making friends in high society and with important political figures, rather than in science.[5] Even as a physician, he did not get a great deal of respect from many, being seen as primarily a seller of medications and a collector of curios. Sloane's only medical publication, an Account of a Medicine for Soreness, Weakness and other Distempers of the Eyes (London, 1745), was not published until its author was in his eighty-fifth year and had retired from practice.[28]

In 1716 Sloane was created a baronet, making him the first medical practitioner to receive a hereditary title. In 1719 he became president of the Royal College of Physicians, holding the office for sixteen years. In 1722 he was appointed physician-general to the army, and in 1727 first physician to George II.

He was elected president of Royal College of Physicians in 1719 and served in that role until 1735.[29] He became secretary to the Royal Society in 1693,[30] and edited its Philosophical Transactions for twenty years. In 1727 he succeeded Sir Isaac Newton as president. He retired from the Society at the age of eighty.[19]

Sloane's role as First Secretary and later President of the Royal Society, a period which included his revitalising editorship of the Philosophical Transactions, permitted Sloane little time for progressing his own scientific research,[28]:6 which led to the criticism of Sloane as a mere "virtuoso".

Aside from his service as Royal Physician, Sloane's true achievement during his time at the Royal Society was in acting as a conduit between the worlds of science, politics and high society.[5]

Sloane's time in France at the beginning of his career later enabled him to fulfil the role of intermediary between British and French scientists, fostering the sharing of knowledge between the two countries at the height of the Age of Enlightenment. Notables from that period who visited Sloane to view his collection include the Swiss anatomist Albrecht von Haller, Voltaire, Benjamin Franklin and Carl Linnaeus.[28]:9

In 1745, at the age of eighty-five and after having retired from medical practice, Sloane published his first medical work, Account of a Medicine for Soreness, Weakness and other Distempers of the Eyes (London, 1745).

Charity work

Sloane helped out at Christ's Hospital from 1694 to 1730 and donated his salary back to that institution. He also supported the Royal College of Physicians' dispensary of inexpensive medications and operated a free surgery every morning.[31]

He was a founding governor of London's Foundling Hospital, the nation's first institution to care for abandoned children. Inoculation against smallpox was required for all children in its care; Sloane was one of the physicians of that era who promoted inoculation as a method to prevent smallpox, using it on his own family and promoting it to the royal family.[32][31]

The British Museum and Chelsea Physic Garden

Bust of Sloane by Michael Rysbrack (1730s) in the British Museum[33]
Bust by Michael Rysbrack, main foyer, British Library

Sloane's fame is based on his judicious investments rather than what he contributed to the subject of natural science or even of his own profession. During his life, Sloane was a correspondent of the French Académie Royale des Sciences and was named foreign associate in 1709, in addition to being a foreign member of the academies of science in Prussia, Saint Petersburg, Madrid and Göttingen.[31] His purchase of the manor of Chelsea, London, in 1712, provided the grounds for the Chelsea Physic Garden.

Over his lifetime, Sloane collected over 71,000 objects: books, manuscripts, drawings, coins and medals, plant specimens and others.[34] His great stroke as a collector was to acquire in 1702 (by bequest, conditional on paying of certain debts) the cabinet of curiosities owned by William Courten, who had made collecting the business of his life.[35][36]

When Sloane retired in 1741, his library and cabinet of curiosities, which he took with him from Bloomsbury to his house in Chelsea, had grown to be of unique value. He had acquired the extensive natural history collections of William Courten, Cardinal Filippo Antonio Gualterio, James Petiver, Nehemiah Grew, Leonard Plukenet, the Duchess of Beaufort, Adam Buddle, Paul Hermann, Franz Kiggelaer and Herman Boerhaave.

On his death he bequeathed[1] his books, manuscripts, prints, drawings, flora, fauna, medals, coins, seals, cameos and other curiosities to the nation, on condition that Parliament should pay his executors £20,000, far less than the value of the collection, estimated at £80,000 or greater by some sources and at over £50,000 by others.[31][37] The bequest was accepted on those terms by an act passed the same year, and the collection, together with George II's royal library, and other objects.[19] A significant proportion of this collection was later to become the foundation for the Natural History Museum.

He also gave the Society of Apothecaries the land of the Chelsea Physic Garden which they had rented from the Chelsea estate since 1673.[38]


Sloane's monument at Chelsea Old Church

In his final year, Sir Hans Sloane suffered from a disorder with some paralysis.[31] He died on the afternoon of 11 January 1753 at the Manor House, Chelsea, and was buried on 18 January[39] in the south-east corner of the churchyard at Chelsea Old Church with a memorial inscribed as follows:

To the memory of SIR HANS SLOANE BART President of the Royal Society, and of the College of Physicians; who in the year of our Lord 1753, the 92d of his age, without the least pain of body and with a conscious serenity of mind, ended a virtuous and beneficent life. This monument was erected by his two daughters ELIZA CADOGAN and SARAH STANLEY


His grave is shared with his wife Elisabeth[b] who died in 1724.

Places named after Sloane

Hans Crescent street-sign on Harrods building, Knightsbridge

Sloane Square, Sloane Street, Sloane Avenue, Sloane Grammar School[40] and Sloane Gardens in the Royal Borough of Kensington and Chelsea are named after Sloane. His first name is given to Hans Street, Hans Crescent, Hans Place and Hans Road, all of which are also situated in the Royal Borough.[34]

Plants and animals named after Sloane

Protests about slave-owners

The killing of George Floyd by police in the US in May 2020 was followed by worldwide protests, including a wave of removals of monuments to those who had benefited from slavery. In August 2020 a bust of Sloane that had been on prominent display by the British Museum was moved to a secured[43] glass cabinet where it will be displayed in context with other exhibits showing Sloane's links to the "exploitative context of the British Empire".[3][44]

See also


  1. ^ 1695 - 20 May 1768
  2. ^ Died 17 September 1724


  1. ^ a b c Anon (1969). "Sir Hans Sloane (1660-1753) founder of the British Museum". JAMA. 207 (5): 943. doi:10.1001/jama.1969.03150180073016. PMID 4884737.
  2. ^ a b "The Irishman who 'invented' milk chocolate, and served the royal family". The Irish Times.
  3. ^ a b "British Museum removes founder's statue over slavery links". The Guardian. PA Media. 25 August 2020.
  4. ^ MacGregor, Arthur. "Sloane, Sir Hans, baronet", Oxford Dictionary of National Biography, 23 September 2004. Accessed 25 October 2018.
  5. ^ a b c d Boucher, Bruce (8 September 2017). "The Man Whose Cabinet of Curios Helped Start the British Museum". The New York Times. ISSN 0362-4331.
  6. ^ a b Rose Eveleth (12 February 2014). "Chocolate Milk Was Invented in Jamaica". Smithsonian Magazine.
  7. ^ Ford, J. M. (2003). "Medical Memorial. Sir Hans Sloane (1660-1753)". Journal of Medical Biography. 11 (3): 180. doi:10.1177/096777200301100314. PMID 12870044.
  8. ^ McIntyre, N. (2001). "Sir Hans Sloane (1660-1753)". Journal of Medical Biography. 9 (4): 235. doi:10.1177/096777200100900409. PMID 11718127.
  9. ^ Dunn, P. M. (2001). "Sir Hans Sloane (1660-1753) and the value of breast milk". Archives of Disease in Childhood: Fetal and Neonatal Edition. 85 (1): F73-F74. doi:10.1136/fn.85.1.F73. PMC 1721277. PMID 11420330.
  10. ^ Ravin, J. G. (2000). "Sir Hans Sloane's contributions to ocular therapy, scientific journalism, and the creation of the British Museum". Archives of Ophthalmology. 118 (11): 1567-1573. doi:10.1001/archopht.118.11.1567. PMID 11074814.
  11. ^ Mason, A. S. (1993). "Hans Sloane and his friends. The FitzPatrick Lecture 1993". Journal of the Royal College of Physicians of London. 27 (4): 450-455. PMC 5396686. PMID 8289170.
  12. ^ Nelson, E. C. (1992). "Charles Lucas' letter (1736) to Sir Hans Sloane about the natural history of the Burren, County Clare". Journal of the Irish Colleges of Physicians and Surgeons. 21 (2): 126-131. PMID 11616186.
  13. ^ Ober, W. B. (1968). "Sir Hans Sloane, M.D., F.R.C.P., F.R.S. (1660-1753) and the British Museum". New York State Journal of Medicine. 68 (11): 1422-1430. PMID 4872002.
  14. ^ Hayton, David. "The House of Commons, 1690-1715, Volume 3".
  15. ^ Robert Bell, The Book of Ulster Surnames, p. 232 (paperback edition). The Blackstaff Press, Belfast, 2003.
  16. ^ Edward MacLysaght, The Surnames of Ireland, p. 275 (paperback edition). Irish Academic Press, Dublin, 2001 (reprint of the Sixth Edition).
  17. ^ Flann Ó Riain, 'Where's That? - Ballyrashane'. The Irish Times, Dublin, Monday, 9 July 2001.
  18. ^ a b Carter, Harold B. (July 1995). "The Royal Society and the Voyage of HMS Endeavour 1768-71". Notes and Records of the Royal Society of London. 49 (2): 245-260. doi:10.1098/rsnr.1995.0026. JSTOR 532013.
  19. ^ a b c d "Sir Hans Sloane". British Museum.
  20. ^ "Elisabeth Langley Rose". Exploring London. Retrieved 2020.
  21. ^ Mintz, Sidney (2015). The Oxford Companion to Sugar and Sweets. Oxford University Press. p. 524. ISBN 9780199313396 – via Google Books.
  22. ^ Delbourgo, James (2011). "Sir Hans Sloane's Milk Chocolate and the Whole History of the Cacao". Social Text.
  23. ^ "About Sir Hans Sloane". The Natural History Museum. Retrieved 2015.
  24. ^ Bakan, Abigail (1990). Ideology and Class Conflict in Jamaica: The Politics of Rebellion. Montreal. p. 22.
  25. ^ Maarten Ultee (1988). "Sir Hans Sloane, scientist - Abstract". British Library Journal.
  26. ^ Hughes, Kathryn (16 June 2017). "Collecting the World by James Delbourgo review - Hans Sloane's 'nicknackatory' and the founding of the British Museum". The Guardian.
  27. ^ Henry Nicholls (25 May 2017). "The life and times of a curiosity-monger - a biography of Enlightenment collector and Royal Society president Hans Sloane (review)" (PDF). Nature. 545: 410-411.
  28. ^ a b c Maarten Ultee (1988). "Sir Hans Sloane, scientist" (PDF). British Library Journal.
  29. ^ "Sir Hans Sloane, Baronet - British physician".
  30. ^ "The life and curiosity of Sir Hans Sloane". The Economist. 8 June 2017. Retrieved 2017.
  31. ^ a b c d e "Introducing Sir Hans Sloane - the Sloane Letters Project".
  32. ^ Edwards, Marini (1 July 2010). "A visit to the Foundling Museum". London Journal of Primary Care. 3 (1): 62-63. doi:10.1080/17571472.2010.11493300. PMC 3960684. PMID 25949622.
  33. ^ Harris, Gareth (25 August 2020). "Debate flares as British Museum moves bust of slave-owning founder Hans Sloane". The Art Newspaper. Retrieved 2020.
  34. ^ a b "Elisabeth Langley Rose - Exploring London". exploring-london.com.
  35. ^ Kusukawa, Sachiko (2016). "William Courten's lists of 'Things Bought' from the late seventeenth century". Journal of the History of Collections: fhv040. doi:10.1093/jhc/fhv040. ISSN 0954-6650.
  36. ^ Walmsley, Peter (2003). Locke's Essay and the Rhetoric of Science. Bucknell University Press. pp. 160-. ISBN 978-0-8387-5543-3.
  37. ^ "Sir Hans Sloane's Will of 1739 - The Sloane Letters Project". sloaneletters.com.
  38. ^ Historic England. "CHELSEA PHYSIC GARDEN, Kensington and Chelsea (1000147)". National Heritage List for England. Retrieved 2018.
  39. ^ Preston 1854, p. 13-.
  40. ^ Ex Student
  41. ^ Beolens, Watkins & Grayson 2011, p. 246.
  42. ^ "Sloane's Viperfish". britishseafishing.co.uk. Retrieved 2019.
  43. ^ "British Museum holt Büste seines Gründungsvaters Hans Sloane vom Sockel". www.spiegel.de (in German). 25 August 2020. Retrieved 2020.
  44. ^ "British Museum removes bust of slave-owning founder Sir Hans Sloane". The Independent. 25 August 2020. Retrieved 2020.
  45. ^ IPNI.  Sloane.


Further reading

External links

Baronetage of Great Britain
Preceded by
New creation
(of Chelsea)

Succeeded by
Title extinct
Cultural offices
Preceded by
Sir Isaac Newton
President of the Royal Society
Succeeded by
Martin Folkes
Academic offices
Preceded by
John Bateman
President of Royal College of Physicians
Succeeded by
Thomas Pellett

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