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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…

Biographies: Notable Filmmakers and Directors

Notable Filmmakers and Directors Spike Lee See also Actors African-American Actors Asian American Film & Television Personalities Hispanic-American Film, Television, and Theater…

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…

Ray Katt Biography

Ray KattAge: 72 major league catcher with N.Y. Giants and St. Louis Cardinals from 1952-59; career: .232-32-120; won World Series title with N.Y. in 1954; coached St. Louis and Cleveland…

Liotta, Ray Biography

Liotta, RayactorBirthplace: Union, N.J.Born: 12/18/54Linney, LauraLLipchitz, Jacques