Namesakes for JACK:
  Shakespearian Characters: 1 character
      Jack Cade   Henry VI (2)
  Nobel Prize Winners: 2 physics
      (physics) Jack S. Kilby   2000
      (physics) Jack Steinberger   1988
  Oscar Award Winners: 4 actors
      (actor) Jack Albertson   1968
      (actor) Jack Lemmon   1955, 1973
      (actor) Jack Nicholson   1975, 1983, 1997
      (actor) Jack Palance   1991
  Sports Stars: 7 hockey, 4 football, 2 basketball, 1 baseball
      (baseball) Jack Chesbro   1946
      (basketball) Jack McCracken   1962
      (basketball) John Twyman (a.k.a. Jack)   1982
      (football) Jack Christiansen   1970 
      (football) Jack Ham   1988 
      (football) Jack Lambert   1990 
      (football) Jack Youngblood   2001 
      (hockey) Jack Adams   1959
      (hockey) Jack Darragh   1962
      (hockey) Jack Laviolette   1962
      (hockey) Jack Marshall   1965
      (hockey) Jack Ruttan   1962
      (hockey) John "Black Jack" Stewart (a.k.a. Jack)   1964
      (hockey) Jack Walker   1960
  Notable Writers: 2 authors
      (author) Jack London   1876-1916
      (author) Jack Kerouac   1922-1969