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Woolley, Sir Charles Leonard

(Encyclopedia)Woolley, Sir Charles Leonard, 1880–1960, English archaeologist. His early work included excavations at Carchemish (1912–14) and the Egyptian site of Tell el Amarna (1921–22). He was then chosen ...

Stratford de Redcliffe, Stratford Canning, Viscount

(Encyclopedia)Stratford de Redcliffe, Stratford Canning, Viscount, 1786–1880, British diplomat. He entered (1807) the foreign office under the aegis of his cousin, George Canning. Sent (1808) to Turkey, he negoti...

Abbadids

(Encyclopedia)Abbadids ăˈbədĭdz [key], Arab dynasty in Spain that ruled Seville from 1023 to 1091. Taking advantage of the disintegration of the caliphate of Córdoba, the cadi [judge-governor] of Seville seize...

tensor

(Encyclopedia)tensor, in mathematics, quantity that depends linearly on several vector variables and that varies covariantly with respect to some variables and contravariantly with respect to others when the coordi...

Ter Borch, Gerard

(Encyclopedia)Ter Borch or Terborch, Gerard gāˈrärt tərbôrkhˈ [key], 1617–81, Dutch genre and portrait painter. He studied with his father and traveled throughout Europe, showing extraordinary precocity in ...

Uruk

(Encyclopedia)Uruk ēˈrĕk [key], ancient Sumerian city of Mesopotamia, on the Euphrates and NW of Ur (in present-day S Iraq). It is the modern Tall al Warka. Uruk, dating from the 5th millennium b.c., was the lar...

Carlos the Jackal

(Encyclopedia)Carlos the Jackal, pseud. of the revolutionary and international terrorist Ilich Ramírez Sánchez, 1949–, b. Caracas, Venezuela. Son of an affluent Marxist lawyer, he joined the Communist party at ...

Polke, Sigmar

(Encyclopedia)Polke, Sigmar, 1941–2011, innovative German artist best known for his paintings and photography. His family immigrated from East to West Germany in 1953, and he lived in Düsseldorf, studying (1961�...

Euphrates

(Encyclopedia)Euphrates yo͞ofrāˈtēz [key], Turkish Frat, Arabic Al Furat, river of SW Asia, c.1,700 mi (2,740 km) long, formed by the confluence of the Kara and the Murad rivers, E central Turkey, and flowing g...

Hussein, Saddam

(Encyclopedia)Hussein, Saddam sädämˈ ho͞osānˈ [key], 1937–2006, Iraqi political leader. A member of the Ba'ath party, he fled Iraq after participating (1959) in an assassination attempt on the country's pri...