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corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

Du Pont, Pierre Samuel

(Encyclopedia)Du Pont, Pierre Samuel, 1870–1954, American industrialist, b. Wilmington, Del., grad. Massachusetts Institute of Technology, 1890. Du Pont worked as a chemist with the family's company, helping to d...

Gaonim

(Encyclopedia)Gaonim gāōˈnĭm [key] [Heb.,=excellencies], title given to the heads of the Jewish academies at Sura and Pumbedita in Babylonia immediately following the period of the Saboraim until the middle of ...

Flight 93 National Memorial

(Encyclopedia)Flight 93 National Memorial, memorial, visitors complex, and other facilities at the site of the crash of the hijacked United Airlines Flight 93 on Sept. 11, 2001, near Shanksville, Pa. The grounds, 2...

Fagan, Garth

(Encyclopedia)Fagan, Garth, 1940–, Jamaican-American dancer and choreographer. He studied with Ivy Baxter and left Jamaica to dance with her company. Settling (1960) in Detroit, he attended Wayne State Univ. (gra...

Faidherbe, Louis Léon César

(Encyclopedia)Faidherbe, Louis Léon César lwē lāôNˈ sāzärˈ fādĕrbˈ [key], 1818–89, French colonial administrator. He was a leading participant in the establishment of the French colonial empire in Afr...

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 ...

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 ...

weather satellite

(Encyclopedia)weather satellite, artificial satellite used to gather data on a global basis for improvement of weather forecasting. Information includes cloud cover, storm location, temperature, and heat balance in...

Turrell, James

(Encyclopedia)Turrell, James, 1943–, American installation and land artist, b. Los Angeles, grad. Pomona College (B.A., 1965), Claremont Graduate School (M.F.A., 1973). Turrell's career began in the 1960s art sce...
 

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