- 1901: Edward Charles Pickering
- 1902: Jacobus Kapteyn
- 1903: Hermann von Struve
- 1904: George Ellery Hale
- 1905: Lewis Boss
- 1906: William Wallace Campbell
- 1907: Ernest William Brown
- 1908: David Gill
- 1909: Oskar Backlund
- 1910: Friedrich Küstner
- 1911: Philip Herbert Cowell
- 1912: Arthur Robert Hinks
- 1913: Henri-Alexandre Deslandres
- 1914: Max Wolf
- 1915: Alfred Fowler
- 1916: John L. E. Dreyer
- 1917: Walter Sydney Adams
- 1918: John Evershed
- 1919: Guillaume Bigourdan
- 1921: Henry Norris Russell
- 1922: James Hopwood Jeans
- 1923: Albert A. Michelson
- 1924: Arthur Eddington
- 1925: Frank Watson Dyson
- 1926: Albert Einstein
- 1927: Frank Schlesinger
- 1928: Ralph Allen Sampson
- 1929: Ejnar Hertzsprung
- 1930: John Stanley Plaskett
- 1931: Willem de Sitter
- 1932: Robert Grant Aitken
- 1933: Vesto Slipher
- 1934: Harlow Shapley
- 1935: Edward Arthur Milne
- 1936: Hisashi Kimura
- 1937: Harold Jeffreys
- 1938: William Hammond Wright
- 1939: Bernard Lyot
- 1940: Edwin Hubble
- 1943: Harold Spencer Jones
- 1944: Otto Struve
- 1945: Bengt Edlen
- 1946: Jan Oort
- 1947: Marcel Minnaert
- 1948: Bertil Lindblad
- 1949: Sydney Chapman
- 1950: Joel Stebbins
- 1951: Anton Pannekoek
- 1952: John Jackson
- 1953: Subramanyan Chandrasekhar
- 1954: Walter Baade
- 1955: Dirk Brouwer
- 1956: Thomas George Cowling
- 1957: Albrecht Unsöld
- 1958: André Danjon
- 1959: Raymond Arthur Lyttleton
- 1960: Wiktor Ambarcumian
- 1961: Herman Zanstra
- 1962: Bengt Strömgren
- 1963: Harry Hemley Plaskett
- 1964: Martin Ryle, Maurice Ewing
- 1965: Edward Bullard, Gerald Maurice Clemence
- 1966: Ira Sprague Bowen, Harold Clayton Urey
- 1967: Hannes Alfvén, Allan Rex Sandage
- 1968: Fred Hoyle, Walter Munk
- 1969: Albert T. Price, Martin Schwarzschild
- 1970: Horace Babcock
- 1971: Frank Press, Richard van der Riet Woolley
- 1972: Hal Thirlaway, Fritz Zwicky
- 1973: Francis Birch, Edwin Salpeter
- 1974: Ludwig Biermann, Keith E. Bullen
- 1975: Jesse Greenstein, Ernst Öpik
- 1976: William McCrea, John A. Ratcliffe
- 1977: David R. Bates, John G. Bolton
- 1978: Lyman Spitzer, James Van Allen
- 1979: Leon Knopoff, C. G. Wynne
- 1980: Chaim L. Pekeris, Maarten Schmidt
- 1981: James F. Gilbert, Bernard Lovell
- 1982: Riccardo Giacconi, Harrie Massey
- 1983: M. J. Seaton, Fred Whipple
- 1984: S. K. Runcorn, Jakow Borysowicz Zeldowicz
- 1985: Thomas Gold, Stephen Hawking
- 1986: George E. Backus, Alexander Dalgarno
- 1987: Takesi Nagata, Martin Rees
- 1988: Don L. Anderson, Cornelis de Jager
- 1989: Raymond Hide, Ken Pounds
- 1990: James W. Dungey, Bernard Pagel
- 1991: Witalij Ginzburg, G. J. Wasserburg
- 1992: Dan P. McKenzie, Eugene N. Parker
- 1993: Peter Goldreich, Donald Lynden-Bell
- 1994: James E. Gunn, Thomas R. Kaiser
- 1995: John T. Houghton, Rashid Sunyaev
- 1996: Kenneth Creer, Vera Rubin
- 1997: Donald Farley, Donald Osterbrock
- 1998: Robert L. Parker, James Peebles
- 1999: K. Budden, Bohdan Paczyński
- 2000: Leon Lucy, Robert Hutchinson
|