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navigation satellite

(Encyclopedia)navigation satellite, artificial satellite designed expressly to aid the navigation of sea and air traffic. Early navigation satellites, from the Transit series launched in 1960 to the U.S. navy's Nav...

union, labor

(Encyclopedia)union, labor, association of workers for the purpose of improving their economic status and working conditions through collective bargaining with employers. Historically there have been two chief type...

Lawrence, T. E.

(Encyclopedia)Lawrence, T. E. (Thomas Edward Lawrence), 1888–1935, British adventurer, soldier, and scholar, known as Lawrence of Arabia. While a student at Oxford he went on a walking tour of Syria and in 1911 j...

Museveni, Yoweri

(Encyclopedia)Museveni, Yoweri youˈərē mo͞oˌsəvāˈnē [key], 1944?–, Ugandan political leader, president of Uganda (1986–), b. Ntungamo. He studied economics and political science at the Univ. of Dar es ...

Degas, Edgar

(Encyclopedia)Degas, Edgar (Hilaire Germain Edgar Degas) ēlĕrˈ zhĕrmăNˈ ĕdgärˈ dəgäˈ [key], 1834–1917, French painter and sculptor, b. Paris; son of a banker. Although prepared for the law, he abandon...

Popper, Sir Karl Raimund

(Encyclopedia)Popper, Sir Karl Raimund, 1902–94, Anglo-Austrian philosopher, b. Vienna. He became familiar with the Vienna circle of logical positivists (see logical positivism) while a student at the Univ. of Vi...

Rabin, Yitzhak

(Encyclopedia)Rabin, Yitzhak yĭtskhäkˈ räbēnˈ [key], 1922–95, Israeli general and statesman, b. Jerusalem, the first native-born prime minister of Israel (1974–77, 1992–95). His extensive military exper...

Koestler, Arthur

(Encyclopedia)Koestler, Arthur kĕstˈlər [key], 1905–83, English writer, b. Budapest of Hungarian parents. Koestler spent his early years in Vienna and Palestine. He was an influential Communist journalist in B...

amphibious warfare

(Encyclopedia)amphibious warfare ămfĭbˈēəs [key], employment of a combination of land and sea forces to take or defend a military objective. The general strategy is very ancient and was extensively employed by...

Dewey, John

(Encyclopedia)Dewey, John, 1859–1952, American philosopher and educator, b. Burlington, Vt., grad. Univ. of Vermont, 1879, Ph.D. Johns Hopkins, 1884. He taught at the universities of Minnesota (1888–89), Michig...