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Bawendi, Moungi

(Encyclopedia)Moungi Bawendi, 1961–, b. Paris, France, American-Tunisian-French chemist, studied at Harvard University (B.A., 1982; M.A.1983) and the University of ...

Bryson, Lyman

(Encyclopedia)Bryson, Lyman, 1888–1959, American educator, b. Valentine, Nebr., grad. Univ. of Michigan (B.A., 1910; M.A., 1915). He taught there from 1913 to 1917. From 1918 to 1924 he was active in Red Cross wo...

Wilbur, Ray Lyman

(Encyclopedia)Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After studying medi...

Weissman, Drew

(Encyclopedia)Weissman, Drew 1959–, b. Lexington, Mass., American Immunologist, studied at Brandeis University (B.A., M.A., 1981) and Boston University (M.D, Ph.D.,...

Carson, Rachel Louise

(Encyclopedia)Carson, Rachel Louise, 1907–64, American writer and marine biologist, b. Springdale, Pa., M.A. Johns Hopkins, 1932. Her well-known books on sea life—Under the Sea-Wind (1941), The Sea around Us (1...

pulley

(Encyclopedia)CE5 Pulleys: The mechanical advantage (MA) of a system of pulleys is equal to the number of supporting strands: in A MA=1 and in B MA=2. pulley, simple machine consisting of a wheel over which a r...

Neilson, William Allan

(Encyclopedia)Neilson, William Allan nēlˈsən [key], 1869–1946, American educator, b. Scotland, M.A. Univ. of Edinburgh, 1891, Ph.D. Harvard, 1898. He taught English in Scotland and Canada and at Bryn Mawr and ...

McCourt, Frank

(Encyclopedia)McCourt, Frank, 1930–2009, Irish-American memoirist, b. Brooklyn, N.Y. When McCourt was four his immigrant family returned to Ireland. He dropped out of school at 13 and had saved enough by 19 to re...

Balta, José

(Encyclopedia)Balta, José hōsāˈ bälˈtä [key], 1816–72, president of Peru (1868–72). In 1865 he helped Mariano I. Prado to seize the presidency and served in his government, but in 1867 Balta led in overt...

Tarbell, Ida Minerva

(Encyclopedia)Tarbell, Ida Minerva, 1857–1944, American author, b. Erie co., Pa., grad. Allegheny College (B.A., 1880; M.A., 1883). One of the leading muckrakers, she is remembered for her investigations of indus...