(1880-19??) A longtime Toronto Centre member and the Society's National Secretary (1935-58).

(1892-1978) A Toronto physics teacher and principal; Society Treasurer for 30 years; recieved the Service Award in 1960.

(1875-1962) Assistant Professor of Physics at the University of Toronto; Society President (1934-35).

(1878-1954) Dominion Observatory Director (1924-46); Society President (1924-25).

(1913-2001) Canada's first radio astronomer; Service Award 1981; RASC Honorary President (1986-89).

(1911-2002) DAO Director (-1976) and Society President (1964-66).

(1936-) A longtime Edmonton Centre member and Society President (1982-84).

(1880-1962) A specialist in terrestrial magnetism, and President of the Society (1922-23).

(1863-1940) President of the Society (1926-27).

(?-?) Member of Vancouver and Victoria Centres, received the Society's Service Award in 1974.