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Penrose, Sir Roger

(Encyclopedia)Penrose, Sir Roger, 1931–, British mathematical physicist, Ph.D. Cambridge, 1958. He taught and conducted research at a number of British and American colleges and universities before becoming a pro...

Roger of Hoveden

(Encyclopedia)Roger of Hoveden hŏvˈdən, hŭvˈ– [key], d. 1201; English chronicler. His chronicle, covering the years from 732 to 1201, is an original source only for the years through which he lived. His life...

Roger of Loria

(Encyclopedia)Roger of Loria, c.1245–1304, Sicilian-Aragonese admiral. An adherent of Manfred, last Hohenstaufen king of Sicily, he left Sicily for Aragón after Manfred's defeat (1266) by the Angevin claimant to...

Roger of Wendover

(Encyclopedia)Roger of Wendover, d. c.1236, English chronicler, a monk of St. Albans. As historiographer of St. Albans, he began the Flores historiarum (see Matthew of Westminster), a general chronicle starting wit...

Williams, Roger John

(Encyclopedia)Williams, Roger John, 1893–1988, American chemist, b. India, grad. Univ. of Redlands, Redlands, Calif. (B.S., 1914), Ph.D. Univ. of Chicago, 1919; brother of the chemist Robert R. Williams, Jr. He t...

Taney, Roger Brooke

(Encyclopedia)Taney, Roger Brooke tôˈnē [key], 1777–1864, American jurist, 5th chief justice of the United States (1836–64), b. Calvert co., Md., grad. Dickinson College, 1795. The Senate, incensed by Tan...

Traynor, Roger John

(Encyclopedia)Traynor, Roger John, 1900–1983, American jurist, b. Park City, Utah, grad. Univ. of California at Berkeley (A.B., 1923, Ph.D., 1926, J.D., 1927.) After teaching political science and law at the Univ...

Tsien, Roger Yonchien

(Encyclopedia)Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California, Berkeley (...

Sperry, Roger Wolcott

(Encyclopedia)Sperry, Roger Wolcott, 1913–94, American biologist, b. Hartford, Conn., Ph.D. Univ. of Chicago, 1941. He studied zoology before teaching biology at the Univ. of Chicago (1946–52) and the Californi...

Baldwin, Roger Nash

(Encyclopedia)Baldwin, Roger Nash, 1884–1981, American civil libertarian, b. Wellesley, Mass. He helped to found (1920) the American Civil Liberties Union and was its director until 1950 and its adviser on intern...