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Isocrates

(Encyclopedia)Isocrates īsŏkˈrətēz [key], 436–338 b.c., one of the Ten Attic Orators. He was a pupil of Socrates and of the Sophists. Perhaps the greatest teacher in Greek history, he taught every younger or...

W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

Sarmiento, Domingo Faustino

(Encyclopedia)Sarmiento, Domingo Faustino dōmēngˈgō foustēˈnō särmyānˈtō [key], 1811–88, Argentine statesman, educator, and author, president of the republic (1868–74). An opponent of Juan Manuel de ...

Fraser, Malcolm

(Encyclopedia)Fraser, Malcolm (John Malcolm Fraser), 1930–2015, Australian political leader and prime minister (1975–83). A graduate of Oxford (1952), he entered the Australian parliament as a Liberal member in...

Davies, Emily

(Encyclopedia)Davies, Emily (Sarah Emily Davies) dāˈvĭs [key], 1830–1921, British feminist, co-founder of Girton College, Cambridge. Educated at home, she became (1862) secretary of a committee to obtain the a...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Arequipa

(Encyclopedia)Arequipa ärākēˈpä [key], city (2020 pop. 923,000), alt. c.7,550 ft (2,300 m), capital of Arequipa dept., S Peru, on the Chili River. One of Peru's largest cities, it ...

Cambridge, University of

(Encyclopedia)Cambridge, University of, at Cambridge, England, one of the oldest English-language universities in the world. Originating in the early 12th cent. (legend places its origin even earlier than that of t...

feminism

(Encyclopedia)feminism, movement for the political, social, and educational equality of women with men; the movement has occurred mainly in Europe and the United States. It has its roots in the humanism of the 18th...

Fillon, François Charles Amand

(Encyclopedia)Fillon, François Charles Amand fräNswäˈ shärl ämäNˈ fēyôNˈ [key], 1954–, French political leader, b. Le Mans. A conservative, he served as an assembly deputy (1981–2002, 2007–17) and ...