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Guadalupe Hidalgo, Treaty of

(Encyclopedia) Guadalupe Hidalgo, Treaty of, 1848, peace treaty between the United States and Mexico that ended the Mexican War. Negotiations were carried on for the United States by Nicholas P.…

Kohn, Walter

(Encyclopedia) Kohn, Walter, 1923–2016, American physicist, b. Vienna, Austria, Ph.D. Harvard, 1948. The son of Austrian Jews, he was transported to England in a rescue convoy after Nazi Germany…

Stoneman, George

(Encyclopedia) Stoneman, George, 1822–94, Union general in the American Civil War, b. Busti, N.Y. As commander of Fort Brown, Tex., in Feb., 1861, he refused to obey the order of General Twiggs to…

Ghez, Andrea Mia

(Encyclopedia) Ghez, Andrea Mia, 1965–, American astrophysicist, b. New York City, Ph.D. California Institute of Technology, 1992. She has been on the faculty at the Univ. of California, Los Angeles…

Escalante, Silvestre Vélez de

(Encyclopedia) Escalante, Silvestre Vélez deEscalante, Silvestre Vélez desēlvāˈstrā vāˈlāth dā āskälänˈtā [key], fl. 1769–79, Spanish explorer in the American Southwest and Far West, a Franciscan…

Urey, Harold Clayton

(Encyclopedia) Urey, Harold ClaytonUrey, Harold Claytony&oobreve;rˈē [key], 1893–1981, American chemist, b. Walkerton, Ind., grad. Univ. of Montana (B.S., 1917), Ph.D. Univ. of California, 1923.…

Sharpe, William Forsyth

(Encyclopedia) Sharpe, William Forsyth, 1934–, American economist, b. Boston, Mass., Ph.D. Univ. of California, Los Angeles, 1961. After working at the Rand Corporation, he taught at the Univ. of…

Hearst, George

(Encyclopedia) Hearst, GeorgeHearst, Georgehûrst [key], 1820–91, American mining magnate, U.S. senator (1886–91), b. Franklin co., Mo. He went to California in 1850 and became a mining prospector and…

Dykstra, Clarence Addison

(Encyclopedia) Dykstra, Clarence AddisonDykstra, Clarence Addisondīkˈstrə [key], 1883–1950, American educator and civic administrator, b. Cleveland, grad. Univ. of Iowa, 1903. After graduate work at…

Perlmutter, Saul

(Encyclopedia) Perlmutter, Saul, 1959–, American astrophysicist, b., Champaign-Urbana, Ill., Ph.D. Univ. of California, Berkeley, 1986. He is a researcher at Lawrence Berkeley National Laboratory and…