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.
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.
- Elementymology & Elements Multidict Bisemutum Bismuth, History & Etymology
- Google Books The Encyclopædia Britannica: The New Volumes
- Centenaire de l'Ecole supérieure de pharmacie de l'université de Paris: 1803 by Léon Guignard
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