Samuel A. Moffat..........1938
Robert Barr...............1950
Alfred V. Hammond.........1961
Norman W. Horne...........1977
G. Ronald Hubbard.........1992
Robert Park...............2005
 

David A. Cameron..........1939
John Storrie..............1951
George P. Wills...........1962
Walter Smith..............1965
Sidney N. Hough...........1977
George H. Cook............1978
Robert O. Siemens.........1992
F. Ross Demaine...........1993
Donald Grimshaw...........2001
George Dauphney...........2006