(Encyclopedia) bariumbariumbârˈēəm [key] [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.327; m.p. 725℃; b.p. 1,640℃; sp. gr. 3.5 at 20℃; valence +2. Barium is a soft,…
(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…
(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…
(Encyclopedia) Crocker, Charles, 1822–88, American railroad builder, b. Troy, N.Y. In 1836 he moved with his family to Marshall co., Ind., where he later set up a small foundry. He joined a party to…
(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…
(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…
(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.…
