Editors
January,1930-March, 1933:Harry Bates
October, 1933-November, 1937: F. Orlin Tremaine
December, 1937-September, 1960: John W. Campbell, Jr.
Publishers
January, 1930-September, 1933:Fiscal Corporation/Clayton Magazines
October, 1933-January, 1961:Street&Smith
February, 1961-September, 1961: Conde Nast
The magazine was retitled Analog starting in October, 1961.
See Analog for further information.