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Bragg, Sir William Henry

(Encyclopedia) Bragg, Sir William Henry, 1862–1942, English physicist, educated at King William's College, Isle of Man, and Trinity College, Cambridge. He served on the faculties of the Univ. of…

Biographies: Selected Comedians

Selected Comedians Bud Abbott and Lou Costello See also Women Comediennes People in the NewsRecent Obituaries Related Links American Film Institute's 100 Funniest Movies Movie…

Nicol prism

(Encyclopedia) Nicol prismNicol prismnĭkˈəl [key], optical device invented (1828) by William Nicol of Edinburgh. It consists essentially of a crystal of calcite, or Iceland spar, that is cut at an…

Lankester, Sir Edwin Ray

(Encyclopedia) Lankester, Sir Edwin RayLankester, Sir Edwin Raylăngˈkəstər [key], 1847–1929, English zoologist. He was a professor at University College, London (1874–90) and Oxford (1891–98) and was…

Orbiting Solar Observatory

(Encyclopedia) Orbiting Solar Observatory (OSO), series of eight orbiting observatories (see observatory, orbiting) launched between 1962 and 1971 by the National Aeronautics and Space Administration…

Clavius, Cristoph

(Encyclopedia) Clavius, CristophClavius, Cristophkrĭsˈtôf klāˈvēəs [key], 1537–1612, German astronomer and mathematician. He entered the Jesuit order in 1555 and studied at Coimbra and Rome. He…

Clovio, Giorgio Giulio

(Encyclopedia) Clovio, Giorgio GiulioClovio, Giorgio Giuliojôrˈjō j&oomacr;ˈlyō klōˈvyō [key], 1498–1578, Italian illuminator, miniaturist, and painter, also called Macedo or Il Macedone because…

ray, in physics

(Encyclopedia) ray, in physics, term denoting the straight line along which light or other form of radiation is propagated from its source. It generally refers to the line of propagation of waves but…

Eames, Charles

(Encyclopedia) Eames, CharlesEames, Charlesāmz [key], 1907–78, American designer, b. St. Louis, Mo. He opened his own architectural practice in 1930 and in the late 30s studied with Eliel Saarinen at…

Nagin, Ray

(Encyclopedia) Nagin, Ray (Clarence Ray Nagin, Jr.), 1956–, African-American politician, b. New Orleans. A Louisiana cable-television executive before entering politics, Nagin won the 2002 mayoral…