September 17, 1955 (69 years)
Basel, Switzerland
Acting
Apr 7, 1978
Jan 1, 1981
Nov 24, 1978
Dec 22, 1978
Jul 1, 1978
Oct 24, 1979
Nov 29, 1970
Oct 20, 1974
Jan 2, 1978
Jan 3, 1969
Sep 21, 1984
Sep 5, 1989
Aug 23, 1994
Oct 9, 1989
Dec 25, 1984