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Cahan, Abraham
(Encyclopedia) Cahan, AbrahamCahan, Abrahamkän [key], 1860–1951, Russian-American journalist, Socialist leader, and author, b. Vilnius, Lithuania. He emigrated to New York City in 1882, entered…Bieber, Owen Frederick
(Encyclopedia) Bieber, Owen Frederick, 1929–2020, American labor leader, b. North Dorr, Mich. Active in the United Automobile Workers (UAW) from 1949, when he became a shop steward, he rose to become…radiometer
(Encyclopedia) radiometerradiometerrāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared…Nkrumah, Kwame
(Encyclopedia) Nkrumah, Kwame Nkrumah, Kwame kwäˈmā nkr&oomacr;ˈmä [key], 1909–72, African political leader, prime…Aramburu, Pedro Eugenio
(Encyclopedia) Aramburu, Pedro EugenioAramburu, Pedro Eugeniopāˈthrō ā&oomacr;hāˈnyō ärämb&oomacr;ˈr&oomacr; [key], 1903–70, president of Argentina (1955–58). An army general, he…scintillation counter
(Encyclopedia) scintillation counter, device for detecting and measuring radiation by means of tiny visible flashes produced by the radiation when it strikes a sensitive substance known as a phosphor…Olson, Floyd Bjornstjerne
(Encyclopedia) Olson, Floyd BjornstjerneOlson, Floyd Bjornstjernebyûrnˈstĕrˌnə [key], 1891–1936, American lawyer and politician, b. Minneapolis. In his early life he was an itinerant laborer and for…reflection
(Encyclopedia) CE5 Image formation by curved mirrors and lenses reflection, return of a wave from a surface that it strikes into the medium through which it has traveled. The general principles…migrant labor
(Encyclopedia) migrant labor, term applied in the United States to laborers who travel from place to place harvesting crops that must be picked as soon as they ripen. Although migrant labor patterns…Pompidou, Georges Jean Raymond
(Encyclopedia) Pompidou, Georges Jean RaymondPompidou, Georges Jean Raymondzhôrzh pôNpēd&oomacr;ˈ [key], 1911–74. French political leader, president of France (1969–74). Georges Pompidou taught…Trending
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