May 14 1987
Verano, Louis F.
1988
Irving, Gary
March 21 – June 20 1988
September 21 – December 20 1988
September 21 – December 20 1989
September 21 – December 20 1990
May 12 1953
Mattoon, H. Gleason
May 26 1953
Kammerer, E. Lowell
June 2 1953
June 12 1953
September 24 1953