Geoffroy, Etienne

Geoffroy, Etienne-Fran ois (1672-1731) eleve 1699, associe 1699, pensionnaire 1715... 

E. E Geoffroy, Tractatus de materia medica (Paris Johannis Desaint Caroli Saillant, 1741) Traite de matiere medicate (Paris J. Desaint C. Saillant, 1743) W. A. Smeaton, Geoffroy, Etienne-Fran ois, Dictionary of Scientific Biography. 

Geoffroy, Etienne-Fran ois. Probleme de chimie. Trouver des Cendres qui ne contiennent aucunes parcelles de fer. PV 24, 1705, 393r-395r (December 16). 

Geoffroy, Etienne-Fran9ois. Maniere de recomposer le Souffre commun par la reunion de ses principes, et d en composer de nouveau par le melange de sem-blables substances, avec quelques conjectures sur le composition des metaux. Memoires, 1704, 278-286. 

Geoffroy, Etienne-Fran9ois. Eclaircissemens sur la production artificielle du fer, sur la composition des autres Metaux. Memoires, 1707,176-188. Geoffroy, Etienne-Fran9ois. Experiences sur les metaux, faites avec le Verre ardent du Palais Royal. Memoires, 1709, 162-176. 

Geoffroy, Etienne-Fran9ois. Du Changement des Sels acides en Sels alkalis volatiles urineux. Memoires, 1717, 226-238. 

Geoffroy, Etienne-Fran9ois. Des differents Rapports observes en Chymie entre differentes substances. Memoires, 1718, 256-269 translated as Table of the... 

Geoffroy, Etienne-Fran ois. Eclaircissemens sur la Table inseree dans les Memoires de 1718, concernant les rapports observes entre differentes substances. Memoires 1720, 20-34. 

Geoffroy, Etienne-Fran ois. A Treatise of the Fossil, Vegetable, and Animal Substances that are made Use of in Physick. Containing the history and description of them with an account of their several virtues and preparations. To which is prefixed, an enquiry into the constituent principles of mixed bodies, and the proper methods of discovering the nature of medicines (London W. Innys and R. Manby, 1736). 

Geoffroy, Etienne-Fran ois. Tractatus de materia medica, sive de medicamento-rum simplicium historia, virtute, delectu et usu, 3 vols. (Paris Joannis Desaint... 

Geoffroy, Etienne-Fran ois. Traite de matiere medicale, ou de Vhistoire des vertus, du choix et de Vusage des remedes simples, 7 vols. (Paris J. Desaint ... 

Geoffroy, Etienne-Franjois. 1718. Table des differents rapports observes en Chimie entre differentes substances. Histoire de T Acaddmie Royale des Sciences avec les memoires de mathematique et de physique pour la mime annee 202-212. 

The term "affinity" has its roots in very old ideas to the effect that like attracts like and that bodies combine with other bodies because of mutual affection or affinitas. This meaning is employed in Etienne Francois Geoffroy s Table des differents rapports observes entre differentes substances (1718) for replacement reactions.28 However, in the middle of the eighteenth century, Boerhaave spoke of the affinity of a substance for others unlike it, giving the word "affinity" a new meaning. Boerhaave interpreted Geoffroy s table as a representation of Newtonian-type forces of gravitational attraction or electrical attraction and repulsion.29... 

Mathieu-Frangois Geoffroy had chosen pharmacy as the career for his elder son Etienne-Frangois and medicine for his younger son. Etienne preferred medicine, however, while Claude-Joseph followed his father s calling and became a famous apothecary and chemist, Geoffroy the Younger. 

Etienne-Frangois Geoffroy, 1673-1731. French physician and chemist known as Geoffroy the Elder. Professor of chemistry at the Jardin du Roi and physician to the King of France. He is most famous for his table of... 

The attention of many chemists from about this time was devoted to ascertaining the laws and generalizations of chemical attraction or affinity. The first serious attempt to systematize the relative affinities between substances was that of Etienne Francois Geoffroy (1672-1721), Professor of Chemistry at the Jardin du Roi from 1712 to 1731. He presented a memoir to the Academy of Sciences at Paris in 1718, entitled Table of the different Connections rapports ) observed in Chemistry between different Substances. In this he lays down as his fundamental law Whenever two substances having some tendency to combine with each other are found combined and there enters a third which has more affinity with one of the two, it unites with that one, setting the other free. ... 

I was as close to tears as Fd been in years. I had rarely seen my father so virulent in his attack of anyone except Shales, who had dared challenge the validity of alchemy, and various charlatans guilty of publishing rubbish. M. Etienne-Frangois Geoffroy, for instance, had devised a table that ordered chemical substances according to their affinities... 

F. L. Holmes, The Communal Context for Etienne-Fran9ois Geoffroy s Table des rapports, Science in Context 9, 1996, 289-311. 

Laurence Brockliss, Consultation by Letter in Early Eighteenth-Century Paris The Medical Practice of Etienne-Fran ois Geoffroy, in French Medical Culture in the Nineteenth Century, ed. A. La Berge and M. Feingold (Rodopi, 1994). 

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