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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 ...

Cournot, Antoine Augustin

(Encyclopedia)Cournot, Antoine Augustin äNtwänˈ ōgüstăNˈ ko͞ornōˈ [key], 1801–77, French mathematician and economist. He developed mathematical theories of chance and probability and was one of the firs...

Péguy, Charles

(Encyclopedia)Péguy, Charles shärl pāgēˈ [key], 1873–1914, French poet and writer. Of a poor, working family, he won scholarships and made a brilliant record as a student. He left the École normale supérie...

Colbert, Charles

(Encyclopedia)Colbert, Charles: see Croissy, Charles Colbert, marquis de. ...

Percier, Charles

(Encyclopedia)Percier, Charles shärl pĕrsyāˈ [key], 1764–1838, French architect. He won (1786) the Grand Prix de Rome, and in 1794 he became associated with Pierre François Léonard Fontaine. Napoleon appoin...

Koch, Charles de Ganahl

(Encyclopedia)Koch, Charles de Ganahl: see under Koch, family. ...

Foucauld, Charles, vicomte de

(Encyclopedia)Foucauld, Charles, vicomte de shärl vēkôNtˈ də fo͞okōˈ [key], 1858–1916, French priest and missionary in the Sahara. After a career as an army officer and an explorer in Algeria and Morocco,...

De Langlade, Charles Michel

(Encyclopedia)De Langlade, Charles Michel: see Langlade. ...

De Pauw, Washington Charles

(Encyclopedia)De Pauw, Washington Charles dĭpôˈ [key], 1822–87, American manufacturer, b. Salem, Ind. At first successful at banking, he later established a plate-glass works at New Albany, Ind., which became ...

Rémusat, Charles, comte de

(Encyclopedia)Rémusat, Charles, comte de shärl kôNt də rāmüzäˈ [key], 1797–1875, French philosopher and liberal politician. He was a deputy (1830–48) and minister of the interior (1840) under King Louis...