His When did you last see my mother? 1967.

Writer's dir., 1988/90 (Hampton, Christopher (James))

Halliwell's filmgoer's & video viewer's companion, 11th ed. (Hampton, Christopher, 1946- ; English dramatist and screenwriter)

IMDb, July 7, 2010 (Christopher Hampton; b. Jan. 26, 1946, Faial, Açores, Portugal; birth name: Christopher James Hampton)

Internet Movie Database WWW site, September 6, 2016: (Christopher Hampton, writer, director ; b. January 26, 1946 in Faial, Açores, Portugal)