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Beaufort, Margaret, countess of Richmond and Derby

(Encyclopedia)Beaufort, Margaret, countess of Richmond and Derby bōˈfərt, därˈbē [key], 1443–1509, English noblewoman, mother of Henry VII. She was the daughter and heiress of John, 1st duke of Somerset, an...

Ashton, Catherine Margaret, Baroness Ashton of Upholland

(Encyclopedia)Ashton, Catherine Margaret, Baroness Ashton of Upholland, 1956– British government official. She was an administrator for the Campaign for Nuclear Disarmament (1977–83), director of Business in th...

Gilbert, Walter

(Encyclopedia)Gilbert, Walter, 1932–, American molecular biologist, b. Boston, Ph.D. Cambridge, 1957. In 1968 he became a professor of biophysics at Harvard, where he had taught since 1959. He helped formulate a ...

Berg, Paul

(Encyclopedia)Berg, Paul, 1926–2023, American biologist, b. New York City, Ph.D. Western Reserve Univ., 1952. A professor at Washington Univ. at St. Louis and Stanf...

Thatcher, Margaret Hilda Roberts Thatcher, Baroness

(Encyclopedia)Thatcher, Margaret Hilda Roberts Thatcher, Baroness, 1925–2013, British political leader. Great Britain's first woman prime minister, nicknamed the “Iron Lady” for her uncompromising political s...

Chacabuco, battle of

(Encyclopedia)Chacabuco, battle of, Feb. 12, 1817, fought between Chilean independence forces and Spanish troops. It took place just N of Santiago, Chile. José de San Martín, with Bernardo O'Higgins, assaulted an...

Rancagua

(Encyclopedia)Rancagua rängkäˈgwä, –käˈwä [key], city (1990 est. pop. 190,400), capital of Libertador General Bernardo O'Higgins region, central Chile, in a fertile valley among the Andean foothills. One o...

Carrera, José Miguel

(Encyclopedia)Carrera, José Miguel hōsāˈ mēgĕlˈ [key], 1785–1821, Chilean revolutionist. With his brothers, Juan José and Luis, he overthrew the revolutionary junta headed by Martínez de Rozas in 1813 an...