#1, Fall, 1949 -- Anthony Boucher and J. Francis McComas (Editors), Robert P. Mills (Managing Editor)
#59, April, 1956 - #67, December, 1956 -- Anthony Boucher (Editor), Robert P. Mills (Managing Editor)
January, 1962 - Robert P. Mills
February, 1963-September, 1962 - Avram Davidson (Executive Editor), Robert P. Mills (Consulting Editor), Edward L. Ferman (Managing Editor)
May, 1963-November, 1964 - Avram Davidson (Executive Editor), Edward L. Ferman (Managing Editor)
December, 1964-December, 1965 - Joseph W. Ferman (Editor), Edward L Ferman (Managing Editor), Robert P. Mills (Consulting Editor)
January, 1966-December, 1966 - Edward L. Ferman (Editor), Robert P. Mills (Consulting Editor)
January, 1967-June, 1991 - Edward L. Ferman (Editor)
July, 1991-May, 1997 - Kristine Kathryn Rusch (Editor)
June, 1997-#614, February, 2003 - Gordon Van Gelder (Editor)
#1, Fall, 1949 -- Lawrence E. Spivak
#59, April, 1956 - #67, December, 1956 -- Joseph W. Ferman
January, 1962-December, 1968 -- Joseph W. Ferman
#271, December, 1973-#591, January, 2001 -- Edward L. Ferman
#592, February, 2001-#614, February, 2003 -- Gordon Van Gelder