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Kelvin, William Thomson, 1st Baron

(Encyclopedia)Kelvin, William Thomson, 1st Baron, 1824–1907, British mathematician and physicist, b. Belfast. He was professor of natural philosophy at the Univ. of Glasgow (1846–99). He is known especially for...

Adams, Ansel

(Encyclopedia)Adams, Ansel, 1902–84, American photographer, b. San Francisco. He began taking photographs in the High Sierra and Yosemite Valley, with which his name is permanently associated, becoming profession...

American Friends Service Committee

(Encyclopedia)American Friends Service Committee (AFSC), organization est. 1917 by the Religious Society of Friends (Quakers) that provides social services and information to the public in an attempt to promote int...

Murad I

(Encyclopedia)Murad I mo͞orädˈ [key], 1326?–1389, Ottoman sultan (1362?–1389), son and successor of Orkhan to the throne of the Ottoman Empire (Turkey). Murad widened the Ottoman hold on European territory, ...

Long Island, battle of

(Encyclopedia)Long Island, battle of, Aug. 27, 1776, American defeat in the American Revolution. To protect New York City and the lower Hudson valley from the British forces massed on Staten Island, George Washingt...

United States Air Force Academy

(Encyclopedia)United States Air Force Academy, at Colorado Springs, Colo.; for training young men and women to be officers in the U.S. air force; authorized in 1954 by Congress. Temporary quarters were opened at th...

Dunkirk, town, France

(Encyclopedia)Dunkirk dŭnˈkûrk [key], Fr. Dunkerque, town, Nord dept., N France, on the North Sea. It is...

Oklahoma City

(Encyclopedia)Oklahoma City (1990 pop. 444,719), state capital, and seat of Oklahoma co., central Okla., on the North Canadian River; inc. 1890. The state's largest city, it is an important livestock market, a whol...

salmon, in zoology

(Encyclopedia)salmon sămˈən [key], member of the Salmonidae, a family of marine fish that spawn in freshwater, including the salmons, the trouts, and the chars (subfamily Salmoninae), the whitefish and the cisco...

Intracoastal Waterway

(Encyclopedia)Intracoastal Waterway, c.3,000 mi (4,827 km) long, partly natural, partly artificial, providing sheltered passage for commercial and leisure boats along the U.S. Atlantic coast from Boston, Mass. to K...