No Annual General Meeting was held in 1943
Harold Orr1940
George S. Williamson1941
Barney D. Usher1942
Franklin L. Ireland1944
George S. Williamson1945
Donald E.H. Cleveland1946
Andrew M. Davidson1947
Emerson J. Trow1948
George S. Williamson1949
George S. Williamson1950
Émile Gaumond1951
Barney D. Usher1952
W. George Brock1953