(Encyclopedia) Kiefer, AnselmKiefer, Anselmkēˈfər [key], 1945–, German painter. One of the major figures of neoexpressionism, he studied (1970) with Joseph Beuys, who heavily influenced his work. His…
(Encyclopedia) Hansen, James Edward, 1941–, American astrophysicist and climatologist, b. Denison, Iowa, Ph.D. Univ. of Iowa, 1967. In 1967 he joined the Goddard Institute for Space Studies, and…
(Encyclopedia) Geim, Sir Andre Konstantinovich, 1958–, Russian-born Dutch physicist, Ph.D. Russian Academy of Sciences, 1987. He was a professor at the Univ. of Nijmegen in the Netherlands from 1994…
(Encyclopedia) isomorphismisomorphismīˌsəmôrˈfĭzəm [key], of minerals, similarity of crystal structure between two or more distinct substances. Sodium nitrate and calcium sulfate are isomorphous, as…
(Encyclopedia) Diamond, Peter Arthur, 1940–, American economist, b. New York City, Ph.D. Massachusetts Institute of Technology, 1963. Diamond was a professor at the Univ. of California, Berkeley,…
(Encyclopedia) Commoner, Barry, 1917–2012, American biologist, educator, and activist, one of the founders of the modern environmental movement, b. Brooklyn, N.Y., grad. Columbia (B.A., 1937),…
(Encyclopedia) chigoechigoechĭgˈō [key] or jigger, small parasitic flea (Tunga penetrans) of the tropics and subtropics, including the S United States. Humans and their domestic animals are the main…
(Encyclopedia) Alatau or Ala-TauAla-Tauboth: äˈlätou [key] [Turkic,=mottled mountains], several ranges of the Tian Shan system in central Asia. The Alatau ranges are the Dzungarian, the Kungei, the…
(Encyclopedia) pitchblendepitchblendepĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide…
