found: Data from CINE for Safety--isn't it worth it? [MP] 1981 (a.e.) (Jack Klugman, actor)
found: Contemp. theatre, film, and television: v. 19 (Klugman, Jack; b. Apr. 27, 1922 (some sources say 1925), Philadelphia, PA; actor)
found: Variety's ww in show business, 1989 (Klugman, Jack; b. Apr. 27, 1922)
found: Int. motion picture almanac, 71st ed. (Klugman, Jack; b. Apr. 27, 1922)
found: IMDb, Jan. 5, 2001 & Oct. 9, 2008 (Jack Klugman; b. Apr. 27, 1922; actor, writer, director)
found: New York times WWW site, Dec. 26, 2012 (in obituary published Dec. 24: Jack Klugman; b. Apr. 27, 1922, Philadelphia; most sources indicate that his name at birth was Jacob, though Klugman said in an interview that the name on his birth certificate is Jack; d. Monday [Dec. 24, 2012], Woodland Hills, Los Angeles, aged 90; character actor who leapt to television stardom in the 1970s as the slovenly sportswriter Oscar Madison on The odd couple and as the crusading forensic pathologist of Quincy, M.E.)