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Welsbach, Carl Auer, Baron von

(Encyclopedia)Welsbach, Carl Auer, Baron von kärl ouˈər bärōnˈ fən vĕlsˈbäkh [key], 1858–1929, Austrian chemist. He discovered the rare earth elements neodymium and praseodymium (1885) and lutetium (c.1...

Porter, George, Baron Porter of Luddenham

(Encyclopedia)Porter, George, Baron Porter of Luddenham, 1920–2002, British chemist, b. Stainforth, England, grad. Leeds Univ., Ph.D. Cambridge, 1949. After serving as a radar officer during World War II, he did ...

Holbach, Paul Henri Thiry, baron d'

(Encyclopedia)Holbach, Paul Henri Thiry, baron d' poulˈ hīnˈrĭkh dētrĭkh bärōnˈ fŭn hôlˈbäkh [key], 1723–89, French philosopher, one of the Encyclopedists. Although a native of the Palatinate, he liv...

monad

(Encyclopedia)monad: see Bruno, Giordano; Leibniz, Gottfried Wilhelm, Baron von. ...

John of Procida

(Encyclopedia)John of Procida prōˈchēdä [key], c.1225–c.1302, Italian conspirator, lord of the island of Procida. He was an ardent supporter of the Hohenstaufen cause in Sicily and attempted to secure the isl...

Roger of Loria

(Encyclopedia)Roger of Loria, c.1245–1304, Sicilian-Aragonese admiral. An adherent of Manfred, last Hohenstaufen king of Sicily, he left Sicily for Aragón after Manfred's defeat (1266) by the Angevin claimant to...

Conradin

(Encyclopedia)Conradin kŏnˈrədĭn [key], 1252–68, duke of Swabia, titular king of Jerusalem and Sicily, the last legitimate Hohenstaufen, son of Holy Roman Emperor Conrad IV. While Conradin was still a child i...

Corvo, Baron

(Encyclopedia)Corvo, Baron: see Rolfe, Frederick William. ...

Baron, Michel

(Encyclopedia)Baron or Boyron, Michel mēshĕlˈ bärôNˈ or bwärôNˈ [key], 1653–1729, one of the first great French actors. A protégé of Molière, he acted at the Hôtel de Bourgogne and at the Comédie Fr...