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MICHEL EUGENE CHEVREUL (1786-1889)

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Originally appearing in Volume V06, Page 115 of the 1911 Encyclopedia Britannica.
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MICHEL See also:EUGENE See also:CHEVREUL (1786-1889)  , See also:French chemist, was See also:born, on the 31st of See also:August 1786, at See also:Angers, where his See also:father was a physician . At about the See also:age of seventeen he went to See also:Paris and entered L . N . See also:Vauquelin's chemical laboratory, afterwards becoming his assistant at the natural See also:history museum in the Jardin See also:des Plantes . In 1813 he was appointed See also:professor' of See also:chemistry at the Lycee See also:Charlemagne, and subsequently under-took the directorship of the Gobelins See also:tapestry See also:works, where he carried out his researches on See also:colour contrasts (De la loi du contraste simultane des couleurs, 1839) . In 1826 he became a member of the See also:Academy of Sciences, and in the same See also:year was elected a See also:foreign member of the Royal Society of See also:London, whose See also:Copley See also:medal he was awarded in 1857 . He succeeded his See also:master, Vauquelin, as professor of organic chemistry at the natural history museum in 1830, and See also:thirty-three years later assumed its directorship also; this he relinquished in 1879, though he still retained his professorship . In 1886 the completion of his hundredth year was celebrated with public rejoicings; and after his See also:death, which occurred in Paris on the 9th of See also:April 18891 he was honoured with a public funeral . In 1901 a statue was erected to his memory in the museum with which he was connected for so many years . His scientific See also:work covered a wide range, but his name is best known for the classical researches he carried out on See also:animal fats, published in 1823 (Recherches sur See also:les See also:corps See also:Bras d'origine animale) . These enabled him to elucidate the true nature of See also:soap; he was also able to discover the See also:composition of stearin and olein, and to isolate stearic and oleic acids, the names of which were invented by him . This work led to important improvements in the processes of See also:candle-manufacture .

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Chevreul was a determined enemy of charlatanism in every See also:form, and a See also:complete sceptic as to the " scientific " psychical See also:research or See also:spiritualism which had begun in his See also:time (see his De la baguette divinatoire, et des tables tournantes, 1864) .

End of Article: MICHEL EUGENE CHEVREUL (1786-1889)
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