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Fresnel, Augustin Jean

(Encyclopedia)Fresnel, Augustin Jean ōgüstăNˈ zhäN frānĕlˈ [key] 1788–1827, French physicist and engineer. He is known for his research on light, especially on conditions governing interference phenomena ...

Clouet, Jean

(Encyclopedia)Clouet, Jean both: zhänĕˈ [key], c.1485–1540, portrait and miniature painter. He was court painter and valet de chambre to the French king Francis I. He is thought to have been Flemish and may ha...

Henry I, king of France

(Encyclopedia)Henry I, c.1008–1060, king of France (1031–60), son and successor of King Robert II. To defend his throne against his mother, his brothers Robert and Eudes, and subsequently against the count of B...

Mandeville, Sir John

(Encyclopedia)Mandeville, Sir John, 14th-century English author of The Travels of Sir John Mandeville. Originally written in Norman French, the work became enormously popular and was translated into English, Latin,...

Nathan, George Jean

(Encyclopedia)Nathan, George Jean, 1882–1958, American editor and drama critic, b. Fort Wayne, Ind. He left the New York Herald to join H. L. Mencken in editing Smart Set (1914–23), which they made into a guide...

Duvalier, Jean-Claude

(Encyclopedia)Duvalier, Jean-Claude düvälyāˈ [key], 1951–2014, president of Haiti (1971–86). At age 19, he was proclaimed “president for life” upon the death of his father, Francois Duvalier. Under gre...

Alembert, Jean le Rond d'

(Encyclopedia)Alembert, Jean le Rond d' zhäN lərôNˈ däläNbĕrˈ [key], 1717–83, French mathematician and philosopher. The illegitimate son of the chevalier Destouches, he was named for the St. Jean le Rond ...

Marmontel, Jean François

(Encyclopedia)Marmontel, Jean François zhäN fräNswäˈ märmôNtĕlˈ [key], 1723–99, French critic, dramatist, and story writer, contributor to Diderot's Encyclopédie. Educated by the Jesuits, he taught in J...

Nicolet, Jean

(Encyclopedia)Nicolet, Jean zhäN nēkôlāˈ [key], 1598?–1642, French explorer in the Old Northwest. He came to New France with Samuel de Champlain in 1618. In 1634, under the direction of Champlain, he took a ...

Anville, Jean Baptiste Bourguignon d'

(Encyclopedia)Anville, Jean Baptiste Bourguignon d' zhäN bätēstˈ bo͞orgēnyôNˈ däNvēlˈ [key], 1697–1782, French geographer and cartographer. His maps of ancient geography, characterized by careful, accu...
 

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