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Clark, Alvan

(Encyclopedia)Clark, Alvan, 1804–87, American astronomer and maker of astronomical lenses, b. Ashfield, Mass. In 1846 the firm of Alvan Clark & Sons was established at Cambridgeport, Mass.; it became famous a...

Mitchell, Maria

(Encyclopedia)Mitchell, Maria, 1818–89, American astronomer and educator, b. Nantucket, Mass. Mitchell taught school in Nantucket, and later became a librarian. On Oct. 1, 1847, Mitchell discovered a comet (1847 ...

Mills, Clark

(Encyclopedia)Mills, Clark, 1810–83, American sculptor, b. Onondaga co., N.Y. Self-taught in art, he designed and in 1852 cast in an experimental foundry the statue of General Jackson for Lafayette Square, Washin...

Kerr, Clark

(Encyclopedia)Kerr, Clark kûr, kär [key], 1911–2003, American educational reformer, b. Reading, Pa., grad. Swarthmore College (B.A., 1932) and the Univ. of California at Berkeley (Ph.D., 1939). He was a profess...

Gable, Clark

(Encyclopedia)Gable, Clark, 1901–60, American film actor, b. Cadiz, Ohio. He began his career in films in 1930 and soon after became a star. He won an Academy Award in 1934 for his brilliant comic performance in ...

Clark, Abraham

(Encyclopedia)Clark, Abraham, 1726–94, political leader in the American Revolution, signer of the Declaration of Independence, b. Elizabethtown (now Elizabeth), N.J. After holding several local offices, Clark bec...

Clark, Champ

(Encyclopedia)Clark, Champ (James Beauchamp Clark), 1850–1921, American legislator, b. near Lawrenceburg, Ky. After a career as lawyer, newspaper editor, and politician in Missouri, he was (1893–95, 1897–1921...

Clark, Colin

(Encyclopedia)Clark, Colin, 1905–89, British economist. A statistics professor at Cambridge (1931–37), he taught in Australia and Great Britain until 1952, serving as economic adviser to the governments of both...

Clark, Dick

(Encyclopedia)Clark, Dick,, 1929-2012, American radio and TV broadcaster and producer, b. Bronxville, N.Y., as Richard Wagstaff Clark; Syracuse Univ. (B.A., 1951). Be...

Clark, Helen

(Encyclopedia)Clark, Helen, 1950–, New Zealand politician, prime minister (1999–2008), b. Hamilton, N.Z. A graduate of the Univ. of Auckland (B.A., 1971; M.A., 1974), she taught political science there (1973–...