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Dumas, Jean Baptiste André

(Encyclopedia)Dumas, Jean Baptiste André dümäˈ [key], 1800–1884, French organic chemist. He was distinguished for his researches on atomic weights, esters, vapor densities, the oxidation products of alcohols...

Dunois, Jean, comte de

(Encyclopedia)Dunois, Jean, comte de zhäN kôNt də dünwäˈ [key], c.1403–1468, French general, called the Bastard of Orléans; natural son of Louis, duc d'Orléans. He joined the Armagnacs in the civil war du...

Daubenton, Louis Jean Marie

(Encyclopedia)Daubenton, Louis Jean Marie lwē zhäN märēˈ dōbäNtôNˈ [key], 1716–1800, French naturalist. He was a professor at the Collège de France from 1778; his work touched many fields—comparative ...

Corot, Jean-Baptiste Camille

(Encyclopedia)Corot, Jean-Baptiste Camille zhäN-bätēstˈ kämēˈyə kôrōˈ [key], 1796–1875, French landscape painter, b. Paris. Corot was one of the most influential of 19th-century painters. The son of sh...

Chardin, Jean-Baptiste-Siméon

(Encyclopedia)Chardin, Jean-Baptiste-Siméon zhäN-bätēstˈ-sēmāôNˈ shärdăNˈ [key], 1699–1779, French painter. He was a major figure of 18th-century painting. While the Académie royale still advocated h...

Foucault, Jean Bernard Léon

(Encyclopedia)Foucault, Jean Bernard Léon zhäN bĕrnärˈ lāôNˈ fo͞okōˈ [key], 1819–68, French physicist. Known especially for his research on the speed of light, he determined its velocity in air and fou...

Ingres, Jean Auguste Dominique

(Encyclopedia)Ingres, Jean Auguste Dominique zhäN ōgüstˈ dômēnēkˈ ăNˈgrə [key], 1780–1867, French painter, b. Montauban; son of a sculptor. He studied with J. L. David in Paris and in 1801 won the Prix...

Houdin, Jean Eugène Robert

(Encyclopedia)Houdin, Jean Eugène Robert or Jean Eugène Robert-Houdin zhäN özhĕnˈ rōbĕrˈ o͞odăNˈ [key], 1805–71, French conjurer and magician. Originally a clockmaker, he was celebrated for his optica...

Gresset, Jean Baptiste Louis

(Encyclopedia)Gresset, Jean Baptiste Louis zhäN bätēstˈ lwē grĕsāˈ [key], 1709–77, French poet and dramatist. He was the author of a mock epic, Vairvert (1734), and of a successful comedy, Le Méchant (17...

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