(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).

(1906-66) DAO astronomer and member of the Victoria Centre.

(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.

(187?-1947) An active member of the Victoria Centre and winner of the Chant Medal in 1941.

(1865-1941) J.S. Plaskett played a pivotal role in the establishment of astrophysical research in Canada and helped to confirm the rotation rate of the Milky Way. He was an active member of the Ottawa Centre between 1907 and 1918, acted as an Associate Editor of the Journal for 28 years, and Society President (1914-15).

(1857-1940) F.R.S.C., F.R.A.S.C. Director of the Toronto Observatory and Superintendent of the Dominion Meteorological Service (1894-1929), and President of the Society (1902-03). He was knighted in 1916.

(1893–1962) Toronto Centre member; a prominent observer of his day; first Chant Medal recipient.

(1846-1930) Math teacher at Upper Canada College, later a lawyer; Society President (1896-97).