Person Geoffroy; Etienne Francois (1672 - 1731); physician and chemist Geoffroy Etienne Francois physician and chemist Étienne François Geoffroy the Elder (l’Aîné) 1672 - 1731 French Male Paris, Île-de-France, France, Europe 13 February 1672 16720213 Paris, Île-de-France, France, Europe 06 January 1731 17310106

Apothecary; Physician Chemistry Medicine Education: Montpellier; qualified as an apothecary (1694); Paris; MD (1704) Career: Travelled to England with the Comte de Tallard, Ambassador Extraordinary to Charles II (1698); travelled to Holland; accompanied the Abbe de Louvois to Italy as his personal physician; corresponded with Sir Hans Sloane (FRS 1685) on behalf of the Academie des Sciences; travelled to Italy (1700); Professor of Chemistry, Jardin du Roi (1707-1730); Professor of Pharmacy and Medicine, College de France (1709-death); Dean of the Faculty of Medicine, Paris (1726-1729) Memberships: Academie Royale des Sciences (1699) Parents: Mathieu-François Geoffroy, Apothecary, of Paris, Louise (née Devaux) Siblings: Claude Joseph Geoffroy (FRS 1715) Spouse: Barbe Angélique Lézier (1705) Children: Étienne Louis Geoffroy (1725-1810), also Dean of the Faculty of Medicine and Professor of Medicine at the College de France; two daughters Geoffroy promoted the work of English and German chemists in France but also facilitated regular exchanges among European scientists. As a Royal Society member, he shared Parisian advancements with English colleagues and presented English work to the academicians. In chemistry, Geoffroy combined traditional alchemical ideas with innovation, introducing a groundbreaking method of tabulating substances with constant ratios, known as the "table of affinities." This classification system significantly influenced chemical work for over a century, marking a shift from substantialism to defining substances by their circulation in various combinations. Fellow 06/07/1698 26 Sir Hans Sloane Sources: Bulloch's Roll; DSB; Hunter; NBG; DBF References: Jean Jacquot, 'Sir Hans Sloane and French Men of Science' in NR 1953 vol 10 pp 85-98 J S Rowlinson, 'Le Sage's Essai de chymie mechanique' in NR 2003 vol 57 pp 35-45 Notes: Proposed by Sir Hans Sloane. Spelling 'Etienne' from Hunter and DSB; 'Estienne' appears in both R and index to BR. International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 https://royalsocietypublishing.org/action/doSearch?AllField=Etienne+Francois+Geoffroy&startPage=&ContribRaw=Geoffroy%2C%20Etienne%20Francois https://pictures.royalsociety.org/results?mi_search_type=adv&mi_adv_search=yes&adv_person_id=AUTH3257 13 Feb 1672 - 6 Jan 1731 The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org. Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable. Reviewed on 22/11/2023 as part of the Name Authority Project update. NA8417 21/11/2001 Andyg Pmab 20/12/2023 RS_NET\VidaM Yes http://viaf.org/viaf/17213123 3c0b1af3-3622-420d-801a-1019c60bfa2a