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micrometer

(Encyclopedia)micrometer mīkrŏmˈətər, mīˈkrōmēˌtər [key]. 1 Instrument used for measuring extremely small distances. Typical examples are devices used in astronomical telescopes to measure the apparent d...

Morgan, Thomas Hunt

(Encyclopedia)Morgan, Thomas Hunt, 1866–1945, American zoologist, b. Lexington, Ky., Ph.D. Johns Hopkins, 1890. He was professor of experimental zoology at Columbia (1904–28) and from 1928 was director of the l...

Broglie, Louis Victor, duc de

(Encyclopedia)Broglie, Louis Victor, duc de, 1892–1987, French physicist. In 1928 he became professor in the faculty of sciences, Univ. of Paris. It was known from the earlier quantum theory that light waves some...

Kanin, Garson

(Encyclopedia)Kanin, Garson kāˈnən [key], 1912–99, American director and writer, b. Rochester, N.Y.; grad. American Academy of Dramatic Arts, 1933. He worked as a saxophonist, comedian, and actor before becomi...

melodrama

(Encyclopedia)melodrama [Gr.,=song-drama], originally a spoken text with musical background, as in Greek drama. The form was popular in the 18th cent., when its composers included Georg Benda, J. J. Rousseau, and W...

Zanuck, Darryl Francis

(Encyclopedia)Zanuck, Darryl Francis, 1902–79, American movie producer, b. Wahoo, Nebr. Beginning his Hollywood career as a scriptwriter, he was hired (1924) by Warner Brothers and made a name for himself penning...

Sherwood, Robert Emmet

(Encyclopedia)Sherwood, Robert Emmet, 1896–1955, American dramatist, b. New Rochelle, N.Y., grad. Harvard, 1918. After serving in World War I, he wrote for Vanity Fair and Life, serving as editor of the latter fr...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

Marden, Brice

(Encyclopedia)Marden, Brice, 1938–, American painter, b. Bronxville, N.Y.; grad Boston Univ. (B.F.A., 1961), Yale Univ. (M.A., 1963). Marden began exhibiting his work in the 1960s, becoming known for minimalist a...

Vonnoh, Bessie Potter

(Encyclopedia)Vonnoh, Bessie Potter vŏnˈō [key], 1872–1955, American sculptor, b. St. Louis, studied under Lorado Taft at the Art Institute of Chicago. She was Taft's assistant in his work for the World's Colu...