Sir Hans Sloane, 1st Baronet 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. He was elected to the Royal Society at the age of 24. 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. He is credited with creating drinking chocolate. 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.(16 April 1660 – 11 January 1753), was an
|13th President of the Royal Society|
|Preceded by||Isaac Newton|
|Succeeded by||Martin Folkes|
|President of the Royal College of Physicians|
|Preceded by||John Bateman|
|Succeeded by||Thomas Pellett|
|Born||16 April 1660|
Killyleagh, County Down, Ulster, Kingdom of Ireland
|Died||11 January 1753 92) (aged|
Chelsea, London, Great Britain
|Resting place||Chelsea Old Church|
Chelsea Physic Garden
Sloane's drinking chocolate
|Spouse(s)||Elisabeth Sloane (née Langley)|
|Awards||Fellow of the Royal Society (1685)|
Early life and family
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. Hans Sloane was the seventh and last child of Alexander Sloane (died 1666); Alexander died when Hans was six years old. Alexander Sloane was a collecting general of taxes for County Down and 1st Earl of Clanbrassil James Hamilton's agent. (c. 1618–1659), and brother to James Sloane, MP (1655–1704). It is said that Sarah Hicks (Hans's mother), was an English woman who moved to Killyleagh as Anne Carey's companion when she married James Hamilton. 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. The Sloane children, including Hans, were taken up by the Hamilton family and had much of their early tuition conducted within the Killyleagh Castle library. Out of Alexander's sons, only three reached adulthood: Hans, William, and James. The graveyards of Henry and John Sloane can be found in Killyleagh's parish courtyard; both brothers died in their childhood. The eldest brother James was elected a Member of Parliament for Roscommon and Killyleagh in 1692. John Sloane later became an MP of Thetford and a barrister of the Inner Temple, spending most of his time in London.
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 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
Sloane was elected to the Royal Society in 1685. 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.
England had formally acquired Jamaica from Spain under terms of the 1670 Treaty of Madrid. Under Spanish rule, the island had become oriented to a plantation economy, exporting cash crops produced using the labour of enslaved Africans imported via the Atlantic slave trade (many from the Akan and other peoples from what is now Ghana and Ivory Coast). This system continued under English rule. 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.
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- A Voyage to the Islands Madera, Barbados, Nieves, St Christophers and Jamaica. Vol. 2. Sloane. 1725.
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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. The couple had three daughters, Mary, Sarah and Elizabeth, and one son, Hans; only Sarah and Elizabeth survived infancy. 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. Sloane additionally had investments in the Royal African and South Sea Companies, both of which traded in slaves.
The Natural History Museum lists Sloane as the inventor of drinking chocolate with milk. 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.) 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.
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."
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.
In his own practice, started in 1689 at 3 Bloomsbury Place, London, 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. One critic stated that he was merely interested in the collection of knick-knacks, and another called him the "foremost toyman of his time". Sir Isaac Newton described Sloane as "a villain and rascal" and "a very tricking fellow". Some believed that his true achievement was in making friends in high society and with important political figures, rather than in science. 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.
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. He became secretary to the Royal Society in 1693, 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.
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,:6 which led to the criticism of Sloane as a mere "virtuoso".
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.: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).
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.
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.
The British Museum and Chelsea Physic Garden
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. 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. 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.
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 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. 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. A significant proportion of this collection was later to become the foundation for the Natural History Museum. When Sloane wrote his will not only did he say he wanted to sell his work to the Parliament for 20,000 pounds, he also stated that he wanted his work to be seen by anyone who wanted to see it. The Curators thought that only scholars and the upper class were allowed to see the collection. they weren't comfortable with the idea that the lower class was able to come to the museum and look at the collection, they didn't think they were worthy. The Curators believed that learning was a privilege that only the upper class had.
In his final year, Sir Hans Sloane suffered from a disorder with some paralysis. He died on the afternoon of 11 January 1753 at the Manor House, Chelsea, and was buried on 18 January 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
Places named after Sloane
Sloane Square, Sloane Street, Sloane Avenue, Sloane Grammar School 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.
Plants and animals named after Sloane
- Sloanea, a plant genus, was named after him by Linnaeus.
- Urania sloanus, a species of moth.
- Spondylurus sloanii, a species of lizard, was named in his honour by Daudin.
- Chauliodus sloani, a species of deep sea fish found across the world.
Statues and legacy
A life-size statue of Sloane was erected in the town square of Killyleagh, the town in which he was born.
In August 2020, a bust of Sloane in the British Museum's Enlightenment Gallery was moved by the museum to a more prominent glass cabinet for display in context with other exhibits showing Sloane's links to the "exploitative context of the British Empire". The decision came as part of that year's wave of removals of monuments to those who had benefited from slavery, in the context of the worldwide protests which followed the murder of George Floyd by police in the United States in May 2020. Sloane's bust was not removed, however, as many media commentators inaccurately claimed; it was moved only a few yards, contextualized and made far more visible than at any previous time. History Ireland editor Tony Canavan, writing of the decision and observing the fact that the Sloane family had moved to Ireland from Scotland during the Tudor conquest of Ireland, noted that "the fact that Sloane came from a Scots-Irish family who benefited from a different kind of plantation, following the expulsion of natives and the confiscation of their land, [which seemed] never to have been an issue".
- British Library Leyden Medical Dissertations Collection
- George Edwards
- Levinus Vincent
- Thomas Thistlewood
- 1695 – 20 May 1768
- Died 17 September 1724
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