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Lavrov, Sergey Viktorovich

(Encyclopedia) Lavrov, Sergey Viktorovich, 1950– Russian and Soviet diplomat, b. Moscow, grad. Moscow State Institute of International Relations, 1972. He began his career in the Soviet foreign…

Lawrence, Ernest Orlando

(Encyclopedia) Lawrence, Ernest Orlando, 1901–58, American physicist, b. Canton, S. Dak., grad. Univ. of South Dakota, 1922, Ph.D. Yale, 1925. Affiliated with the Univ. of California from 1928 onward…

Glashow, Sheldon Lee

(Encyclopedia) Glashow, Sheldon LeeGlashow, Sheldon Leeglăshˈō [key], 1932–, American physicist, b. New York City, Ph.D. Harvard, 1959. He became a professor at the Univ. of California at Berkeley in…

Philippe, Édouard Charles

(Encyclopedia) Philippe, Édouard Charles, 1970–, French lawyer and political leader, b. Rouen, grad. Paris Institute of Political Studies, 1992, National School of Administration, 1997. He worked as…

York, city, United States

(Encyclopedia) York, city (1990 pop. 42,192), seat of York co., SE Pa., on Codorus Creek, in an agricultural area; laid out 1741, inc. as a city 1887. It is a market, trade, processing, and…

Van de Graaff, Robert Jemison

(Encyclopedia) Van de Graaff, Robert JemisonVan de Graaff, Robert Jemisonvăn də gräf [key], 1901–67, American physicist, b. Tuscaloosa, Ala., grad. Univ. of Alabama (B.S., 1922), Ph.D. Oxford, 1928.…

Rowhani, Hassan

(Encyclopedia) Rowhani, Hassan Rowhani, Hassan häsänˈ rōhänēˈ [key], 1948–, Iranian cleric and political leader, b.…

parity

(Encyclopedia) parity or space parity, in physics, quantity that refers to the relationship between an object or process and the image that it can produce in a mirror. For example, any right-handed…

gadolinium

(Encyclopedia) gadoliniumgadoliniumgădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a…

Jensen, Johannes Hans Daniel

(Encyclopedia) Jensen, Johannes Hans Daniel, 1907–73, German physicist, Ph.D. Univ. of Hamburg, 1932. Jensen was a professor at the Technical Univ. of Hanover from 1941 to 1949, when he joined the…