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Darboux, Jean Gaston

(Encyclopedia)Darboux, Jean Gaston zhäN gästôNˈ därbo͞oˈ [key], 1842–1917, French mathematician. He is known for his work on orthogonal surfaces and for his application of infinitesimal calculus to geometr...

Darlan, Jean François

(Encyclopedia)Darlan, Jean François zhäN fräNswäˈ därläNˈ [key], 1881–1942, French admiral. A career naval officer, he became commander of the French navy in 1939 and joined the Vichy government (see unde...

David, Pierre-Jean

(Encyclopedia)David, Pierre-Jean: see David d'Angers. ...

Deburau, Jean Gaspard

(Encyclopedia)Deburau or Debureau, Jean Gaspard both: zhäN gäspärˈ dəbürōˈ [key], 1796–1846, French pantomime performer, whose original name was Jan Kaspar Dvorjak, b. Bohemia. He became famous for his in...

Colbert, Jean Baptiste

(Encyclopedia)Colbert, Jean Baptiste kôlbĕrˈ [key], 1619–83, French statesman. The son of a draper, he was trained in business and was hired by Cardinal Mazarin to look after his financial affairs. On his dea...

Chalgrin, Jean François

(Encyclopedia)Chalgrin, Jean François zhäN fräNswäˈ shälgrăNˈ [key], 1739–1811, French architect. He studied under Servandoni and in Italy as a winner of the Grand Prix de Rome (1758). He rebuilt (1777) p...

Championnet, Jean Étienne

(Encyclopedia)Championnet, Jean Étienne zhäN ātyĕnˈ shäNpyônĕˈ [key], 1762–1800, French general in the French Revolutionary Wars. Placed in command of the Army of Rome in 1798, he captured (1799) Naples ...

Champollion, Jean François

(Encyclopedia)Champollion, Jean François –fēzhäkˈ [key], 1778–1867, was an archaeologist and paleographer, a professor of Greek at Grenoble, and a curator of manuscripts at the Bibliothèque nationale. He a...

Chaptal, Jean Antoine

(Encyclopedia)Chaptal, Jean Antoine zhäN äNtwänˈ shäptälˈ [key], 1756–1832, French chemist, industrialist, and statesman. He became (1781) professor of chemistry at Montpellier, and during the Revolution h...

Charcot, Jean Baptiste

(Encyclopedia)Charcot, Jean Baptiste zhäN bätēstˈ shärkōˈ [key], 1867–1936, French neurologist and explorer in the antarctic region; son of Jean Martin Charcot. He became (1896) director of clinics at the ...