(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).

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

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

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

(1941-) A longtime professor of Astronomy at U of T Erindale, well known for his work in variable stars and astronomy education. Society President (1978-80), and Observer's Handbook editor (1971-81). Recipient of the RASC Gold Medal in 1962 and Service Award in 1977.

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

(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.