Peter Hopkins December 4, 1991 – January 1, 1992

November 7 – December 3, 1991

Jeffrey Vallance 12 September - 31 October, 1991

July 4 – August 31, 1991

2 - 29 June, 1991

Josef Ramaseder April 11 – May 5, 1991

Joanne Freeman April 5 – May 17, 1990