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nobelium

(Encyclopedia)nobelium nōbēˈlēəm [key], artificially produced radioactive chemical element; symbol No; at. no. 102; mass no. of most stable isotope 259; m.p. 827℃; b.p. and density unknown; valence +2, +3. I...

Le Guin, Ursula Kroeber

(Encyclopedia)Le Guin, Ursula Kroeber krōˈbər lə gwĭnˈ [key], 1929–2018, American writer, b. Berkeley, Calif.; daughter of anthropologist Alfred Louis Kroeber. Possessing a keen eye for physical and cultura...

association

(Encyclopedia)association, in psychology, a connection between different sensations, feelings, or ideas by virtue of their previous occurrence together in experience. The concept of association entered contemporary...

mendelevium

(Encyclopedia)mendelevium mĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr. unknown; valence +1...

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...

Wiseman, Frederick

(Encyclopedia)Wiseman, Frederick, 1930–, American documentary filmmaker, b. Boston, grad. Williams College (B.A., 1951), Yale Law School (LL.B., 1954). Wiseman practiced and taught law for about a decade, but his...

Yellen, Janet Louise

(Encyclopedia)Yellen, Janet Louise yĕlˈən [key], 1946–, U.S. economist and government official, b. Brooklyn, N.Y., B.A. Brown (1967), Ph.D. Yale (1971). Yellen taught economics (1971–76) at Harvard and subse...

Brenner, Sydney

(Encyclopedia)Brenner, Sydney, 1927–2019, British molecular biologist, Ph.D. Oxford, 1954. He was director of the MRC Laboratory of Molecular Biology in Cambridge, England (1979–86), and director of the MRC Mol...

Reed, Ishmael Scott

(Encyclopedia) Reed, Ishmael Scott, 1938- , African-American novelist, poet, and social critic, b. Chattanooga, Tn. When he was a child, Reed’s family moved ...

Reich, Robert Bernard

(Encyclopedia)Reich, Robert Bernard rīsh, rīk [key], 1946–, American political economist and government official, b. Scranton, Pa. He attended Dartmouth, Oxford (where he and Bill Clinton were Rhodes scholars),...