Date of Birth: 
Place of Birth: Tonnerre, Bourgogne-Franche-Comté, France
About Georges Lemoine
- Clément Georges Lemoine (16 January 1841 in Tonnerre – 13 November 1922 in Paris) was a French chemist and hydrologist.
- He was the father of geologist Paul Lemoine (1878–1940). He studied at the École Polytechnique and the École des ponts et chaussées, obtaining a doctorate in physical sciences in 1865.
- For many years he was associated with the École Polytechnique in Paris, where he ultimately served as a professor of chemistry from 1898 to 1911.In 1866 he began work as an engineer in charge of hydrometric services in the Seine Basin.
- In 1881 he was appointed chief engineer of bridges and roads, and in 1901, was named inspector general of bridges and roads.
- He is credited with organizing a flood warning service throughout France.As a chemist he discovered phosphorus sesquisulfide, a compound that will later be used in the manufacture of matches.
- He continued research on the allotropic transformation of phosphorus, and was also the author of works on chemical equilibria.In 1899 he became a member of the Académie des sciences (chemistry section), of which in 1921, he was named its president.
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