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Nujoma, Sam

(Encyclopedia)Nujoma, Sam (Samuel Daniel Shafiishuna Nujoma) no͞oyōˈmä [key], 1929–, Namibian political leader. A railway worker in what was then the South African mandate of South West Africa, Nujoma became ...

Bourbaki, Nicolas

(Encyclopedia)Bourbaki, Nicolas, pseudonym under which a group of 20th cent. mathematicians has written a series of treatises on pure mathematics. The mathematicians have all been associated with the Ecole Normale ...

Bowles, Chester Bliss

(Encyclopedia)Bowles, Chester Bliss bōlz [key], 1901–86, U.S. public official, b. Springfield, Mass.; grandson of Samuel Bowles (1851–1915). At first a journalist and an advertising man, Bowles was later (1942...

Strauss, David Friedrich

(Encyclopedia)Strauss, David Friedrich däˈvēt frēˈdrĭkh shtrous [key], 1808–74, German theologian and philosopher. In Berlin he studied (1831–32) Hegelian philosophy. As tutor at Tübingen he lectured on ...

bolometer

(Encyclopedia)bolometer bōlŏmˈətər, bə– [key], instrument for detecting and measuring radiation, e.g., visible light, infrared radiation, and ultraviolet radiation, in amounts as small as one millionth of a...

Da Ponte, Lorenzo

(Encyclopedia)Da Ponte, Lorenzo lōrĕntˈsō dä pônˈtā [key], 1749–1838, Italian librettist and teacher, b. Ceneda as Emmanuele Conegliano. Born Jewish, he converted to Catholicism at 14, became (1773) a pri...

satire

(Encyclopedia)satire, term applied to any work of literature or art whose objective is ridicule. It is more easily recognized than defined. From ancient times satirists have shared a common aim: to expose foolishne...

science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

ethics

(Encyclopedia)ethics, in philosophy, the study and evaluation of human conduct in the light of moral principles. Moral principles may be viewed either as the standard of conduct that individuals have constructed fo...

Lake District

(Encyclopedia)Lake District, region of mountains and lakes, c.30 mi (50 km) in diameter, Cumbria, NW England. It includes the Cumbrian Mts. and part of the Furness peninsula. The district comprises 15 lakes, among ...