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Roux, Pierre Paul Émile

(Encyclopedia)Roux, Pierre Paul Émile ro͞o [key], 1853–1933, French physician and bacteriologist. He was a pupil of and coworker with Pasteur. In 1888 he and A. E. J. Yersin demonstrated that the diphtheria ba...

Royer-Collard, Pierre Paul

(Encyclopedia)Royer-Collard, Pierre Paul pyĕr pōl rwäyāˈ-kô-lärˈ [key], 1763–1845, French statesman and philosopher. After entering the law, he took part in the French Revolution and became a constitution...

Prud'hon, Pierre Paul

(Encyclopedia)Prud'hon, Pierre Paul pyĕr pôl prüdôNˈ [key], 1758–1823, French painter; 13th child of a Cluny stonemason. He gained recognition in 1796 with Truth Descending from the Heavens Led by Wisdom (Lo...

Guercino

(Encyclopedia)Guercino gwĕrchēˈnō [key], 1591–1666, Italian painter whose original name was Giovanni Francesco Barbieri, b. near Bologna. He studied with Ludovico Carracci. Extremely skillful, prolific, and q...

poster

(Encyclopedia)poster, placard designed to be posted in some public place for purposes of commercial announcement or propaganda. Advertising makes wide use of posters, as do charitable and political organizations. I...

Duvergier de Hauranne, Jean

(Encyclopedia)Duvergier de Hauranne, Jean zhäN düvĕrzhyāˈ də ōränˈ [key], 1581–1643, French theologian. He is often called the Abbé de Saint-Cyran from an abbacy he held in commendam (i.e., received the...

Delambre, Jean Baptiste Joseph

(Encyclopedia)Delambre, Jean Baptiste Joseph zhäN bätēstˈ zhôzĕfˈ dəläNˈbrə [key], 1749–1822, French astronomer and mathematician. He was a member of the bureau of longitudes from 1795 and professor at...

De Smet, Pierre Jean

(Encyclopedia)De Smet, Pierre Jean pyĕr zhäN də smĕtˈ [key], 1801–73, Jesuit missionary in the U.S. Pacific Northwest, b. Belgium. He emigrated to the United States in 1821, served his novitiate in Florissan...

Detaille, Jean Baptiste Édouard

(Encyclopedia)Detaille, Jean Baptiste Édouard zhäN bäptēstˈ ādwärˈ dətäyˈ [key], 1848–1912, French painter. He studied under J. L. E. Meissonier and served in the Franco-Russian war. From this backgrou...

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...