Columbia Encyclopedia

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Rockville

(Encyclopedia)Rockville, city (1990 pop. 44,835), seat of Montgomery co., W central Md., a NW suburb of Washington, D.C.; settled c.1760s, inc. as a city 1860. It has several scientific research and technology labo...

Centerville

(Encyclopedia)Centerville, city (2020 pop. 24,240), Montgomery co., SW Ohio, a residential suburb of Dayton; inc. 1879. It has a small industrial park. ...

Cobb, Howell

(Encyclopedia)Cobb, Howell, 1815–68, American politican, b. Jefferson co., Ga. In 1837 he became solicitor general of the western judicial circuit of Georgia, a district populated largely by small farmers of Unio...

Lansdale

(Encyclopedia)Lansdale, borough (1990 pop. 16,362), Montgomery co., SE Pa.; inc. 1872. It is a farm-processing and industrial center. Manufactures include food products, building materials, apparel, and plumbing eq...

Dewar, Sir James

(Encyclopedia)Dewar, Sir James dyo͞oˈər [key], 1842–1923, British chemist and physicist, b. Scotland. He was professor of chemistry (from 1877) at the Royal Institution, London, and later was director of the D...

Dillard, James Hardy

(Encyclopedia)Dillard, James Hardy dĭlˈərd [key], 1856–1940, American educator, b. Nansemond co., Va., grad. Washington and Lee Univ., 1876. Professor (1891–1907) of Latin at Tulane, where he was also dean (...

Durant, William James

(Encyclopedia)Durant, William James, 1885–1981, American historian and essayist, b. North Adams, Mass. He received his Ph.D. from Columbia in 1917 and published his doctoral dissertation, Philosophy and the Socia...

Denver, James William

(Encyclopedia)Denver, James William, 1817–92, American territorial governor, army officer, and congressman, b. Winchester, Va. He commanded a company of Missouri volunteers in the Mexican War, then went (1850) to...

Drummond, James Eric

(Encyclopedia)Drummond, James Eric: see Perth, James Eric Drummond, 16th earl of. ...

Doolittle, James Harold

(Encyclopedia)Doolittle, James Harold, 1896–1993, American aviator, b. Alameda, Calif. After serving in World War I as a flier he returned to school and earned a Sc.D. from MIT. He then became noted for his speed...