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Celsius, Anders

(Encyclopedia)Celsius, Anders änˈdərs sĕlˈsēŭs [key], 1701–44, Swedish astronomer. While professor of astronomy at the Univ. of Uppsala (1730–44), he traveled through Germany, France, and Italy, visiting...

Brashear, John Alfred

(Encyclopedia)Brashear, John Alfred brəshērˈ [key], 1840–1920, American maker of scientific instruments and educator, b. Brownsville, Pa. A mechanic by trade, he taught himself the art of making lenses and mir...

Bhaskara

(Encyclopedia)Bhaskara əchärˈyə [key] [Skt.,=learned], b. 1114, Indian mathematician and astronomer. According to the custom, he put his learned treatises into verse, adding, however, explanations in prose. His...

Yerkes, Charles Tyson

(Encyclopedia)Yerkes, Charles Tyson yûrˈkēz, –kəs [key], 1837–1905, American financier, b. Philadelphia. He began his business career as a clerk in a Philadelphia grain commission house. He became a broker ...

Sheffield, city, England

(Encyclopedia)Sheffield, city and metropolitan borough (1991 pop. 470,685), N England, at the confluence of the Don River and four tributaries. Sheffield was one of the leading industrial cities of England. It has ...

Sitter, Willem de

(Encyclopedia)Sitter, Willem de vĭlˈəm də sĭtˈər [key], 1872–1934, Dutch astronomer and mathematician. He was professor from 1908 at the Univ. of Leiden and in 1919 became director of its observatory. His ...

Brain, Dennis

(Encyclopedia)Brain, Dennis, 1921–57, British horn player. Brain studied with his father, Aubrey, at the Royal Academy of Music in London. He played principal horn with first the Royal Philharmonic and then the P...

Arnauld

(Encyclopedia)Arnauld ärnōˈ [key], French family involved in Jansenism (see under Jansen, Cornelis). The name is also spelled Arnaut or Arnault. The leader was a nun, Marie Angélique de Sainte Madeleine, 1591�...

Wilson, Lanford

(Encyclopedia)Wilson, Lanford, 1937–2011, American playwright, b. Lebanon, Mo. An important figure in modern drama, he was a master of earthy, realistic dialogue in which monologue, conversation, and direct addre...

Kingston, city, Jamaica

(Encyclopedia)Kingston, city (1991 pop. 97,424), capital and largest city of Jamaica, SE Jamaica. The country's chief port, it has one of the finest harbors in the West Indies and exports sugar, rum, molasses, and ...