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Arthur I

(Encyclopedia)Arthur I, 1187–1203?, duke of Brittany (1196–1203?), son of Geoffrey, fourth son of Henry II of England and Constance, heiress of Brittany. Arthur, a posthumous child, was proclaimed duke in 1196,...

Medawar, Sir Peter Brian

(Encyclopedia)Medawar, Sir Peter Brian mĕdˈəwär [key], 1915–87, British zoologist, b. Brazil. After graduate work at Oxford, he held research and teaching posts there. He was professor of zoology (1947–51) ...

Alexander, prince of Serbia

(Encyclopedia)Alexander (Alexander Karadjordjević) kărəjôrˈjəvĭch [key], 1806–85, prince of Serbia (1842–58), son of Karageorge (Karadjordje). He was elected to succeed the deposed Michael of Serbia. Wea...

Drucker, Peter Ferdinand

(Encyclopedia)Drucker, Peter Ferdinand, 1909–2005, American economist, b. Vienna, Austria. After receiving a doctorate in international and public law from Frankfurt Univ. (1931), Drucker was a financial writer f...

Frederick II, king of Sicily

(Encyclopedia)Frederick II, 1272–1337, king of Sicily (1296–1337), 3d son of Peter III of Aragón. When his brother, who was king of Sicily, became (1291) king of Aragón as James II, Frederick was his regent i...

John I, king of Aragón and count of Barcelona

(Encyclopedia)John I, 1350–95, king of Aragón and count of Barcelona (1387–95), son and successor of Peter IV. During his reign Aragón lost (1388) the duchy of Athens. An enthusiastic patron of learning and a...

Russian and Soviet Rulers since 1462 (table)

(Encyclopedia) Russian and Soviet Rulers since 1462(including dates of rule) House of Rurik House of Godunov Usurpers House of Romanov Provisional Government(premiers) Soviet Russia (1917–22) and the U...

Northern War

(Encyclopedia)Northern War, 1700–1721, general European conflict, fought in N and E Europe at the same time that the War of the Spanish Succession was fought in the west and the south. It arose chiefly from the d...

Tait, Peter Guthrie

(Encyclopedia)Tait, Peter Guthrie, 1831–1901, Scottish physicist and mathematician. He was professor of natural philosophy at Edinburgh from 1860 and conducted important investigations in thermodynamics and the k...

Alfonso IV, king of Aragón and count of Barcelona

(Encyclopedia)Alfonso IV, 1299–1336, king of Aragón and count of Barcelona (1327–36), son and successor of James II. Before his accession he conquered (1323–24) Sardinia, where later a revolt involved him in...
 

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