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mineral

(Encyclopedia)mineral, inorganic substance occurring in nature, having a characteristic and homogeneous chemical composition, definite physical properties, and, usually, a definite crystalline form. A few of the mi...

Grace, princess consort of Monaco

(Encyclopedia)Grace, 1929–82, princess consort of Monaco, b. Philadelphia as Grace Patricia Kelly. She acted on stage and television in New York, and made her film debut in 1951. Cool, blonde, and patrician, she ...

Beatles, The

(Encyclopedia)Beatles, The, English rock music group formed in the late 1950s and disbanded in 1970. The members were John (Winston) Lennon, 1940–80, guitar and harmonica; (James) Paul McCartney, 1942–, guitar ...

Maimonides

(Encyclopedia)Maimonides mīˈmən [key], 1135–1204, Jewish scholar, physician, and philosopher, the most influential Jewish thinker of the Middle Ages, b. Córdoba, Spain, d. Cairo. He is sometimes called Rambam...

Pentagon Papers

(Encyclopedia)Pentagon Papers, government study of U.S. involvement in Southeast Asia. Commissioned by Secretary of Defense Robert S. McNamara in June, 1967, the 47-volume, top secret study covered the period from ...

Scopes trial

(Encyclopedia)Scopes trial, Tennessee legal case involving the teaching of evolution in public schools. A statute was passed (Mar., 1925) in Tennessee that prohibited the teaching in public schools of theories cont...

computer graphics

(Encyclopedia)computer graphics, the transfer of pictorial data into and out of a computer. Using analog-to-digital conversion techniques, a variety of devices—such as curve tracers, digitizers, and light pens—...

Murdoch, Dame Iris

(Encyclopedia)Murdoch, Dame Iris (Dame Jean Iris Murdoch) mûrˈdŏk [key], 1919–99, British novelist and philosopher, b. Dublin, Ireland, grad. Oxford (1942). In 1948 she was named lecturer in philosophy at Oxfo...

Baldwin, James

(Encyclopedia)Baldwin, James, 1924–87, American author, b. New York City. He spent an impoverished boyhood in Harlem, became a Pentecostal preacher at 14, and left the church three years later. He moved to Paris ...

Ackroyd, Peter

(Encyclopedia)Ackroyd, Peter, 1949–, British author, b. London; studied Clare College, Cambridge (M.A., 1971) and Yale. A literary journalist, he wrote for the Spectator (1973–82), where he was literary and the...