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Fermat, Pierre de

(Encyclopedia)Fermat, Pierre de pyĕr də fĕrmäˈ [key], 1601–65, French mathematician. A magistrate whose avocation was mathematics, Fermat is known as a founder of modern number theory and probability theory....

Fournier, Pierre Simon

(Encyclopedia)Fournier, Pierre Simon pyĕr sēmôNˈ fo͞ornyāˈ [key], 1712–68, Parisian type founder. Fournier devised the first point system for measuring and naming sizes of type in 1737. He designed a numbe...

Henry, Pierre Georges

(Encyclopedia)Henry, Pierre Georges, 1927–2017, French composer noted for his contributions to electronic music. He studied with Nadia Boulanger and Olivier Messiaen at the Paris Conservatory, where he met Pierre...

Aubusson, Pierre d'

(Encyclopedia)Aubusson, Pierre d' pyĕr dōbüsôNˈ [key], 1423–1503, French soldier, a cardinal of the Roman Catholic Church, and grand master of the Knights Hospitalers (1476–1503). In 1480 he valiantly defe...

Mendès-France, Pierre

(Encyclopedia)Mendès-France, Pierre pyĕr măNdĕsˈ-fräNs [key], 1907–82, French statesman. A lawyer and economist, he entered (1932) the chamber of deputies as a Radical Socialist. In World War II he was a pi...

Pelletier, Pierre Joseph

(Encyclopedia)Pelletier, Pierre Joseph pyĕr zhôzĕfˈ pĕlətyāˈ [key], 1788–1842, French chemist. With J. B. Caventou, he was cofounder of alkaloid chemistry and codiscoverer of quinine, strychnine, brucine,...

Périer, Casimir Pierre

(Encyclopedia)Périer, Casimir Pierre käzēmērˈ pyĕr pĕryāˈ [key], 1777–1832, French statesman. He was a member of a wealthy bourgeois family. His father, Claude Périer, a manufacturer and financier of Gr...

Lemonnier, Pierre Charles

(Encyclopedia)Lemonnier, Pierre Charles pyĕr shärl ləmônyāˈ [key], 1715–99, French astronomer. For many years he was professor of physics at the Collège de France. He studied the moon and the influence of ...

Calloc'h, Jean Pierre

(Encyclopedia)Calloc'h, Jean Pierre zhäN pyĕr kälôkhˈ [key], 1888–1917, Breton poet. Important in the revival of Breton literature, he wrote in the Vannes dialect of Brittany. His lyrical verse displays a lo...

Cambon, Pierre Joseph

(Encyclopedia)Cambon, Pierre Joseph pyĕr zhôzĕfˈ [key], b. 1754 or 1756, d. 1820, French financier and revolutionary. A merchant of Montpellier, he became a member of the Legislative Assembly and the Convention...