(1902-97) DO astronomer and Ottawa Centre member; received the Service Award in 1963.

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

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

(1893-1988) DAO astronomer. Society President (1940).

(1899-1979) Dominion Astronomer (1946-64); Society President (1951-52); Service Award 1964.

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

(1878-1954) Dominion Observatory Director (1924-46); Society President (1924-25).

(1913-2001) Canada's first radio astronomer; Service Award 1981; RASC Honorary President (1986-89).

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

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