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McMillan, Edwin Mattison
(Encyclopedia)McMillan, Edwin Mattison, 1907–91, American physicist, b. Redondo Beach, Calif., grad. California Institute of Technology, 1928, Ph.D. Princeton, 1932. On the faculty of the Univ. of California from...neptunium
(Encyclopedia)neptunium nĕpto͞oˈnēəm [key], radioactive chemical element; symbol Np; at. no. 93; mass number of most stable isotope 237; m.p. about 640℃; b.p. 3,902℃ (estimated); sp. gr. 20.25 at 20℃; va...Seaborg, Glenn Theodore
(Encyclopedia)Seaborg, Glenn Theodore sēˈbôrg [key], 1912–99, American chemist, b. Ishpeming, Mich., grad. Univ. of California at Los Angeles, 1934, Ph.D. Univ. of California at Berkeley, 1937. In 1939, he beg...plutonium
(Encyclopedia)plutonium plo͞otōˈnēəm [key], radioactive chemical element; symbol Pu; at. no. 94; mass no. of most stable isotope 244; m.p. 641℃; b.p. 3,232℃; sp. gr. 19.84 at 20℃; valence +3, +4, +5, or ...Edwin
(Encyclopedia)Edwin or Eadwin both: ĕdˈwĭn [key], 585?–632, king of Northumbria (616–32), The son and heir of Ælla, king of Deira, he was kept from his inheritance by Æthelfrith. Edwin sought refuge with R...Kline, Franz
(Encyclopedia)Kline, Franz, 1910–62, American painter, b. Wilkes-Barre, Pa. He studied (1937–38) in England, then settled in New York City. His first works were representational, often portraying the industrial...Hartigan, Grace
(Encyclopedia)Hartigan, Grace, 1922–2008, American painter, b. Newark, N.J. Hartigan moved to Manhattan in 1945 and began painting semiabstract canvases after her introduction to the works of the abstract express...Pecos, river, United States
(Encyclopedia)Pecos, river, 926 mi (1,480 km) long, rising in N N.Mex. near the Truchas peaks and flowing SE across E N.Mex. and W Tex. to the Rio Grande; drains c.38,300 sq mi (99,200 sq km). In New Mexico, dams a...Pousette-Dart, Richard
(Encyclopedia)Pousette-Dart, Richard, 1916–92, American painter, b. St. Paul, Minn. The son of an artist and a poet and largely self-taught, he was a member of the first generation of abstract expressionism. He l...Browse by Subject
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