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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 ...

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...

Didion, Joan

(Encyclopedia)Didion, Joan dĭdˈēŏn [key], 1934–2021, American writer, b. Sacramento, Calif., Univ. of ...

Wu, Chien-Shiung

(Encyclopedia)Wu, Chien-Shiung chyĕnˈ-shyo͝ongˈ wo͞o [key], 1912–97, Chinese-American physicist. She emigrated to the United States from China in 1936 and received a Ph.D. from the Univ. of California, Berke...

californium

(Encyclopedia)californium kălˈĭfôrˌnēəm [key] [from California], artificially produced, radioactive metallic chemical element; symbol Cf; at. no. 98; mass no. of most stable isotope 251; m.p. about 900℃; b...

Hume, David

(Encyclopedia)Hume, David hyo͞om [key], 1711–76, Scottish philosopher and historian. Educated at Edinburgh, he lived (1734–37) in France, where he finished his first philosophical work, A Treatise of Human Nat...

idealism

(Encyclopedia)idealism, the attitude that places special value on ideas and ideals as products of the mind, in comparison with the world as perceived through the senses. In art idealism is the tendency to represent...