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Cherenkov radiation

(Encyclopedia)Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...

Clark, Tom Campbell

(Encyclopedia)Clark, Tom Campbell, 1899–1977, U.S. attorney general (1945–49), associate justice of the U.S. Supreme Court (1949–67), b. Dallas, Tex.; father of Ramsey Clark. He received his law degree from t...

orphism

(Encyclopedia)orphism, a short-lived movement in art founded in 1912 by Robert Delaunay, Frank Kupka, the Duchamp brothers, and Roger de la Fresnaye. Apollinaire coined the term orphism to describe the lyrical, shi...

Cahn, Sammy

(Encyclopedia)Cahn, Sammy kän [key], 1913–93, American lyricist, b. New York City as Samuel Cohen. With his first collaborator, Saul Chaplin, he wrote material for vaudeville, and scored his first success (1935)...

Tarnovsky, Andrei

(Encyclopedia)Tarnovsky, Andrei, 1932–86, Soviet film director, grad. State Institute of Cinematography (1960), where he made several notable short films. The son of poet Arseni Tarkovsky, he is perhaps the fines...

Clark, Dick

(Encyclopedia)Clark, Dick,, 1929-2012, American radio and TV broadcaster and producer, b. Bronxville, N.Y., as Richard Wagstaff Clark; Syracuse Univ. (B.A., 1951). Be...

Balla, Giacomo

(Encyclopedia)Balla, Giacomo, 1871–1958, Italian painter, one of the founders of futurism. He moved from Turin to Rome in his twenties and began painting in a realist style. He travelled (1900) to Paris, where he...

O'Keeffe, Georgia

(Encyclopedia)O'Keeffe, Georgia ōkēfˈ [key], 1887–1986, American painter, b. Sun Prairie, Wis. After working briefly as a commercial artist in Chicago, O'Keeffe abandoned painting until she began the study of ...

Paterno, Joe

(Encyclopedia)Paterno, Joe (Joseph Vincent Paterno) pətûrˈnō [key], 1926–2012, American football coach, b. Brooklyn, N.Y. A former quarterback at Brown Univ., he joined (1950) the coaching staff at Pennsylvan...

Drew, Daniel

(Encyclopedia)Drew, Daniel, 1797–1879, American railroad speculator, b. Carmel, N.Y. He became a cattle dealer in early life and by 1834 was successful enough to engage in the steamboat business on the Hudson, wh...