Haile T. Debas (1997-1998)
Joseph B. Martin (1993-1997)
Julius R. Krevans (1982-1993)
Francis A. Sooy (1972-1982)
Philip R. Lee (1969-1972)
Williard C. Fleming (1966-1969)
John B. De C.M. Saunders (1964-1966)
