(1894-1988) Professor of Astronomy and Dean of Women at Queen's University (1939-63). She studied Physics under Sir Arthur Eddington and later wrote his biography. President of the Society (1943-44) and founder of the RASC Kingston Centre in 1961.

(1906-90) Dominion Observatory/NRC astronomer with an interest in meteors; RASC President (1960-62).

(1912-96) Treasurer of the Society (1970-76) and Chair of the Property Committee (1972-77).

(?-1996) Executive Secretary of the RASC (1958-72).

(1907-76) Director of the David Dunlap Observatory (1951-65), RASC President (1953-54).

(1908-2002) RASC National President (1966-1968) during Canada's Centenary, Chief of the Positional Astronomy and Time Service (1957-1966), and Chief of the Astronomy Division (1966-1970) at the Dominion Observatory. When the DO closed, he became head of the NRC's Time and Frequency Section of the Physics Division (for more information, see https://ui.adsabs.harvard.edu/abs/2002BAAS...34.1385H/abstract.) —RAR

(1938–72?) Bert Topham's observatory at 1250 Castlefield Ave., Toronto.