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Deluc, Jean André

(Encyclopedia)Deluc, Jean André zhäN äNdrāˈ dəlükˈ [key], 1727–1817, Swiss geologist. During the first half of his life he was engaged mainly in business in Switzerland. He also made scientific excursions...

Dessalines, Jean Jacques

(Encyclopedia)Dessalines, Jean Jacques zhäN zhäk dĕsälēnˈ [key], c.1758–1806, emperor of Haiti (1804–6), born a slave. A shrewd general, he served under Toussaint Louverture in the wars that liberated Hai...

Dunant, Jean Henri

(Encyclopedia)Dunant, Jean Henri zhäN äNrēˈ dünäNˈ [key], 1828–1910, Swiss philanthropist and founder of the International Red Cross, b. Geneva. In 1862 appeared his Un souvenir de Solférino (tr. The Orig...

Allouez, Claude Jean

(Encyclopedia)Allouez, Claude Jean klōd zhäN älwāˈ [key], 1622–89, French Jesuit missionary in Canada and the American Midwest. After arriving (1658) in Canada he served at posts in the St. Lawrence region u...

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...

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 ...