(1916-99) Associate professor of physics at the University of New Brunswick and later the University of Saskatchewan. Society Secretary (1958-64) and President (1968-70). Received a Service Award in 1970.

(1865-1957) A 67-year member of the Society (Toronto); writer of a Toronto Telegram astronomy column (1900-48); Society Secretary (1902-17) and President (1920-21).

(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).

(1936-2023) A longtime Edmonton Centre member and Society President (1982-84).

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

(1923–2015) An accomplished observer and member of the Toronto Centre; recipient of the Chant Medal in 1967.