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・ Claude Fournier (filmmaker)
・ Claude Fournier (revolutionary)
・ Claude Foussier
・ Claude France
・ Claude Franceschi
・ Claude Frank
・ Claude Frankau
・ Claude François
・ Claude François Bidal d'Asfeld
・ Claude François Bruno Siblot
・ Claude François Chauveau-Lagarde
・ Claude François de Malet
・ Claude François Devosge
・ Claude François Duprès
・ Claude François Ferey
Claude François Geoffroy
・ Claude François Lallemand
・ Claude Françoise de Lorraine
・ Claude Frassen
・ Claude Fredericks
・ Claude Friese-Greene
・ Claude Frikart
・ Claude Frollo
・ Claude Fuller
・ Claude Fuller (entomologist)
・ Claude Gagnon
・ Claude Gaillard
・ Claude Galopin
・ Claude Gamot
・ Claude Garache


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Claude François Geoffroy : ウィキペディア英語版
Claude François Geoffroy
Claude François Geoffroy (1729 – 18 June 1753) was a French chemist. He discovered the chemical element bismuth in 1753. Before this time, bismuth-containing minerals were frequently identified as either lead or tin ores. His observations on the matter were published in the ''Mémoires de l’académie française'' in 1753.〔(Elementymology & Elements Multidict ) Bisemutum Bismuth, History & Etymology〕〔(Google Books ) The Encyclopædia Britannica: The New Volumes〕
He became a master apothecary in 1748, and in 1752 he was admitted to the Académie des sciences as a supernumerary adjoint chemist. He died on 18 June 1753, (age 23 or 24).〔(Centenaire de l'Ecole supérieure de pharmacie de l'université de Paris: 1803 ) by Léon Guignard〕
He is known as Claude Geoffroy the Younger to distinguish him from his father Claude Joseph Geoffroy (1685–1752), also a French chemist and apothecary, member of the Académie des sciences.
== References ==



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