Columbia Encyclopedia

(Encyclopedia) Warner, Jack Leonard: see Warner Brothers. ...

(Encyclopedia) jack: see pompano; tuna. ...

(Encyclopedia) Jack the Ripper, name given to an unidentified late-19th-century murderer in London, England; also known as the Whitechapel Murderer and Leather Apron. From Aug. to Nov., 1888, he was responsible for ...

(Encyclopedia) London, Jack (John Griffith London), 1876–1916, American author, b. San Francisco. The illegitimate son of William Chaney, an astrologer, and Flora Wellman, a seamstress and medium, he had a poverty...

(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 ...

(Encyclopedia) jack-in-the-pulpit: see arum.

(Encyclopedia) Dempsey, Jack (William Harrison Dempsey), 1895–1983, American boxer, b. Manassa, Colo. Dempsey, called the “Manassa Mauler,” emerged from fights on saloon floors near mining camps to become (191...

(Encyclopedia) Johnson, Jack (John Arthur Johnson), 1878–1946, American boxer, b. Galveston, Tex., the son of two ex-slaves. Emerging from the battle royals (dehumanizing fights between blacks for the amusement of...

(Encyclopedia) Lew, Jack (Jacob Joseph Lew), 1955–, American government official, b. New York City, grad. Harvard (1978), Georgetown Univ. Law School (1983). A Democrat, he first worked politics at 17 in Eugene Mc...

(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 ...