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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....

Ronsard, Pierre de

(Encyclopedia)Ronsard, Pierre de pyĕr də rôNsärˈ [key], 1524–1585, French poet. As page, then squire, Ronsard seemed destined for a career at court both in France and abroad. However, deafness turned him to ...

Villeneuve, Pierre de

(Encyclopedia)Villeneuve, Pierre de pyĕr də vēlnövˈ [key], 1763–1806, French admiral. He commanded the rear guard of the fleet in the disastrous battle of Abu Qir (1798). His defeat at the battle of Trafalga...

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...

Boisguilbert, Pierre le Pesant, sieur de

(Encyclopedia)Boisguilbert, Pierre le Pesant, sieur de pyĕr lə pəzäNˈ syör də bwägēlbĕrˈ [key], 1646–1714, French economist. A local official of Rouen after 1689, he proposed a radical alteration of th...

Vérendrye, Pierre Gaultier de Varennes, sieur de la

(Encyclopedia)Vérendrye, Pierre Gaultier de Varennes, sieur de la pyĕr gōtyāˈ də värĕnˈ syör də lä vāräNdrēˈ [key], 1685–1749, explorer in W Canada and the United States, b. Trois Rivières (Three...

Argenson, Marc Pierre de Voyer de Paulmy, comte d'

(Encyclopedia)Argenson, Marc Pierre de Voyer de Paulmy, comte d' märk pyĕr də vwäyāˈ də pōmēˈ kôNt därzhäNsôNˈ [key], 1696–1764, French statesman and patron of literature; younger brother of René ...

Argenson, René Louis de Voyer de Paulmy, marquis d'

(Encyclopedia)Argenson, René Louis de Voyer de Paulmy, marquis d' rənāˈ lwē də vwäyāˈ də pōmē märkēˈ därzhäNsôNˈ [key], 1694–1757, French foreign minister (1744–47), brother of Marc Pierre d'...

Gouthière, Pierre

(Encyclopedia)Gouthière, Pierre pyĕr go͞otyĕrˈ [key], 1732?–c.1813, French metalworker. The greatest artist of ornamental bronzes of the period of Louis XVI, he produced a vast number of superb cast and chis...

Bouguer, Pierre

(Encyclopedia)Bouguer, Pierre pyĕr bo͞ogĕrˈ [key], 1698–1758, French mathematician and hydrographer. He made some of the first photometric measurements, calculating the intensity of the light of the sun as co...

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