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jack-o'-lantern

(Encyclopedia)jack-o'-lantern, common name for the mushroom species Clitocybe illudens. ...

Nicholson, Jack

(Encyclopedia)Nicholson, Jack, 1937–, American film actor, b. Neptune, N.J. After appearing in a series of low-budget movies for some 10 years, he scored his first success with Easy Rider (1969). One of Hollywood...

Benny, Jack

(Encyclopedia)Benny, Jack, 1894–1974, American comedian, b. Waukegan, Ill., as Benjamin Kubelsky. His shows on radio (1932–55) and television (1950–65) made famous his miserliness, reproachful silences, and v...

Ma, Jack

(Encyclopedia)Ma, Jack, 1964–, Chinese business executive and on-line retailing pioneer, whose Chinese name is Ma Yun mä yün [key]. He taught English at Hangzhou Institute of Electronics and Engineering (now Ha...

Tworkov, Jack

(Encyclopedia)Tworkov, Jack, 1900–82, American painter, b. Bela, Russia (now Biała, Poland). His family immigrated to the United States in 1913 and settled in New York. He studied at Columbia (B.A., 1923) and la...

Bogle, Jack

(Encyclopedia)Bogle, Jack (John Clifton Bogle) [key], 1929–2019, American financial executive, b. Montclair, N.J., grad. Princeton (1951). Going to work for Walter Morgan's Wellington Fund, he became CEO in 1967...

Jack Russell terrier

(Encyclopedia)Jack Russell terrier, breed of dog developed in the 19th cent. by an English clergyman, the Rev. John (Parson Jack) Russell, 1795–1883, for hunting. The Jack Russell resembles the fox terrier and, l...

jack, mechanical device

(Encyclopedia)jack, mechanical device used to multiply a relatively small applied force so that it can lift and support heavy loads, or sometimes, move massive objects into a desired position. The lever jack, often...

Szostak, Jack William

(Encyclopedia)Szostak, Jack William, 1952–, American molecular biologist, b. London, England, Ph.D. Cornell, 1977. Szostak has been a professor at Harvard Medical School and a researcher at Massachusetts General ...

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