(1941-2016) An active Montreal and Toronto Centre member. He received the Chant Medal in 2008.

(1906-67) First President of the Centre Français de Montreal (1947) and an active observer. Received the Chant Medal in 1951.

(1875-1962) Assistant Professor of Physics at the University of Toronto; Society President (1934-35).

John Goldie (1822-96) was a life member of the APST and had an observatory in Galt, Ontario.

(1902-80) An active observer and Montreal Centre member. Received the Service Award in 1960.

(1913-2007) Anglican minister. Hamilton Centre member; Service Award (1970); NNL Editor (1973-74); National Secretary (1964-71, 1978-80).

(1927-96) Worked at Geodetic Survey of Canada, DO, and NMST. Society President (1986-88); Service Award (1990).

(1897-1985) WWI veteran. Chemical engineer and botanist. Toronto Centre member from 1940-85.

(1906-88) The main founder of the Windsor Centre; received the Service Award in 1984.

(1928-) DO/NRC astronomer, Journal Editor (1970-75), Society President (1980-82), Honorary President (1989-93), Service Award recipient (1974).

(1878-1940) DO and DAO astronomer; first winner of the RASC Gold Medal (1906); Society President (1928-29).

(1834-1905) F.R.S.C., F.R.A.S.C. President of the society (1898-99); Honorary President and Director, La Institutio Solar Internacional (Monte Video, Uruguay).

Albert R.J.F. Hassard (1873–1940), A.R., B.C.L.; Toronto member, lawyer, and very active ATM.

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

(1937-) Radio astronomer, JRASC Editor (1976-80), Society President (1988-90).

(1904-51) DAO/DDO astronomer; Toronto Star columnist; Society President (1941-42).

(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.

(1892-1978) A Toronto physics teacher and principal; Society Treasurer for 30 years; recieved the Service Award in 1960.

(1941-) University of Alberta astronomer; Service Award, 1982; Society President (1994-95).

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

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

Hyperactive London Centre member. Service Award 1984. National President (2004-06).

Robert is a Canadian astronomy researcher working at the Institute for Astronomy of the University of Hawaii. Jedicke's expertise is analysing observations and theoretical dynamics of the population of asteroids in the solar system, particularly mini-moons near Earth's orbit...

(1884-1959) Methodist minister and mathematician. He was a Hamilton Centre member and Society President (1945-46).

(1895-1984) Professor in the University of Alberta Mathematics Department; Edmonton Centre member; Service Award 1965.

(1922-99) A keen visual observer; discoverer of Kemble's Cascade.

(1880-19??) A longtime Toronto Centre member and the Society's National Secretary (1935-58).

(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.

(1885-1973) Saskatoon and Toronto Centre member. Director of the telescope makers group in Toronto. Received the Service award in 1962.

(1886-1963) Mathematician at U of Manitoba and Western U. Involved with Winnipeg and London Centres.

(19??-??) A founding member of the Centre français de Montréal. She received the Service Award in 1960.

(1920-2004) An longtime active member of the Windsor Centre; received the Service Award in 1984.

A Québec Centre member and avid astrophotographer. Chant Medal 1987. National President (1990-92).

(1948-) Possibly the RASC's most famous member and most active observer. Received the Chant Medal in 1980 and the Simon Newcomb Award in 2002.

(1907-73) A charter member of the Calgary Centre; received the Service Award in 1966.

(1921-2010) Radio astronomer and President of the Society (1972-74).

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

(1915-98) NRC chemist and active Ottawa Centre member. Received the Service Award in 1973.

(1847-1903) Corresponding Secretary (1890-99) and President of the Society (1900-01).

(1915-2003) An active observer, and founding member of the Niagara Centre in 1960; recipient of the Service Award in 1984.

(1893-1969) A school teacher and Hamilton Centre member; received the Service Award in 1965.

(1932-2005) A physicist and active Quebec Centre member; received the Service Award in 1977.

Rev. D.B. Marsh, D.Sc., F.R.A.S., (1858-1933) an active observer and promoter of astronomy with the Guelph, Peterboro, and Hamilton Centres.

(1918–1998) Professor of Mathematics at McMaster; Hamilton Centre member and founder of the planetarium at McMaster.

(1910-60) DAO astronomer and Victoria Centre member.

An active Ottawa Centre member and visual discoverer of four comets. He received the Chant Medal in 1979.

(19??-) A school principal and charter member of the Calgary Centre. Received the Service Award in 1971.

(1851–1947) An early member of the Society and an accomplished observer. Society President (1918-19).

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

(1936-1999) An active observer and Edmonton Centre member; received the Chant Medal in 1959 at age 23.

From 1956-1975, the Smithsonian Astrophysical Observatory's Moonwatch program issued ephemerides for artificial satellites and collected observations from amateur astronomers.

Kingston Centre member, active variable star observer. Chilton Prize 1979. Chant Medal 1986.

Longtime Ottawa Centre member, Librarian, eclipse chaser, meteor observer. Service Award 1980.

(1865–1947) Society President (1908–09); 1st VP (1907); 2nd VP (1902–06); Secretary (1900–01).

(1910-90) An active observer and astronomy popularizer; Chant Medal 1945.

(1888-1968) A founder of the Centre français de Montréal; Chant Medal 1953.

Victoria Centre member and avid astrophotographer, speaker, writer. Chant Medal 1989.

(1913-1969) Society President (1962-64), Journal editor (1957-69), Handbook editor (1958-70); Service Award (1967).

(1951–62?) Dan Bawtenheimer's observatory near the Windsor, Ontario airport.

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