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Diamond, David

(Encyclopedia)Diamond, David, 1915–2005, American composer, b. Rochester, N.Y. Diamond was trained at the Cleveland Institute of Music and the Eastman School; he also studied with Roger Sessions in New York and N...

Mortimer, Roger de, 4th earl of March and 2d earl of Ulster

(Encyclopedia)Mortimer, Roger de, 4th earl of March and 2d earl of Ulster, 1374–98, English nobleman. He succeeded (1381) his father, Edmund de Mortimer, 3d earl of March, and was brought up as a royal ward. In 1...

Manuel I, Byzantine emperor

(Encyclopedia)Manuel I (Manuel Comnenus) kŏmnēˈnəs [key], c.1120–1180, Byzantine emperor (1143–80), son and successor of John II. He began his reign with a war against the Seljuk Turks, the subjugation of R...

Bouts, Dierick

(Encyclopedia)Bouts, Dierick, Dirk, or Thierry dēˈrĭk, dĭrk, tyĕˈrē bouts [key], c.1420–1475, early Netherlandish painter, b. Haarlem, active in Louvain. Bouts was influenced by Roger van der Weyden, the v...

Who, The

(Encyclopedia) Who, The, English rock music group formed in 1964. The members were Peter Dennis Blanford Townshend, 1945–, Chiswick, London, U.K., guitar, ...

Earle, Ralph

(Encyclopedia)Earle or Earl, Ralph, 1751–1801, American portrait and landscape painter, b. Worcester co., Mass. He is purported to have painted four scenes of the battle of Lexington as an eyewitness, but is best...

CS, chemical compound

(Encyclopedia)CS, chemical compound (orthochlorobenzalmalonitrile) used in riot control and, by the military, as a harassing agent. The compound is dispersed as an aerosol or as a finely divided powder. Exposure to...

Griswold, Matthew

(Encyclopedia)Griswold, Matthew grĭzˈwəld [key], 1714–99, American jurist and politician, b. Lyme, Conn. Admitted to the bar in 1743, he was very learned in the law and was active in Connecticut politics. As d...

Peregrinus, Petrus

(Encyclopedia)Peregrinus, Petrus (Peter the Pilgrim) pēˈtrəs pĕrəgrĭnˈəs [key], c.1220–?, medieval scholar and soldier. The tutor of Roger Bacon, he wrote the first important study of magnetism, Epistola ...

Williams, Robert R., Jr.

(Encyclopedia)Williams, Robert R., Jr., 1886–1965, American chemist, b. India, grad. Univ. of Chicago (B.S., 1907); brother of Roger John Williams. Research undertaken in 1910, while he was chemist (1908–15) at...