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Layton, Jack

(Encyclopedia)Layton, Jack (John Gilbert Layton), 1950–2011, Canadian political leader, grad. McGill Univ. (B.A., 1970), York Univ. (M.A., 1971; Ph.D., 1983). A social democrat from a political family, he served ...

leather jack

(Encyclopedia)leather jack: see pompano.

Kramer, Jack

(Encyclopedia)Kramer, Jack (John Albert Kramer), 1921–2009, American tennis player, b. Las Vegas, Nev. He excelled at tennis while still in high school. Kramer and Frederick (Ted) Schroeder won the U.S. national ...

LaLanne, Jack

(Encyclopedia)LaLanne, Jack ləlānˈ [key], 1914–2011, American fitness advocate and television personality, b. San Francisco as François Henri LaLanne. Widely regarded as the founder of the modern fitness move...

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...

Wilson, Jack

(Encyclopedia)Wilson, Jack: see Wovoka.

Welch, Jack

(Encyclopedia)Welch, Jack (John Francis Welch, Jr.), 1935–2020, American business executive, b. Salem, Mass., grad. Univ. of Massachusetts (1957); Univ. of Illinois (M.S., 1958; Ph.D., chemical engineering, 1960)...

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...

Cade, Jack

(Encyclopedia)Cade, Jack, d. 1450, English rebel. Of his life very little is known. He may have been of Irish birth; some of his followers called him John Mortimer and claimed he was a cousin of Richard, duke of Yo...

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...