(1905-93) A well-known DDO astronomer (specializing in globular cluster variables) and popularizer of astronomy. She wrote an astronomy column in The Toronto Star for 30 years. Served as President (1957-58) and Honorary President (1977-81) of the Society.
(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.
(1865-1956) Professor of Astronomy at University of Toronto, President of the Society (1904-07), editor of the Journal and Handbook for 50 years, and an important figure in the creation of the David Dunlap Observatory.