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Frederik Pohl
Galaxy (Frederik Pohl; L. Sprague De Camp; James E. Gunn; Gordon R. Dickson; Robert F. Young; Willy Ley)
Galaxy (Frederik Pohl; R. DeWitt Miller; Vaughan Shelton; Robert Sheckley; David Mason; E. C. Tubb; Willy Ley)
Galaxy (Wyman Guin; Edward W. Ludwig; Jim Harmon; Arthur Sellings; Frederik Pohl; Willy Ley)

See also:

Gold, H. L. (ed) ..Frederik Pohl, L. Sprague de Camp, James E. Gunn, Gordon R. Dickson, Robert F. Young, Arthur Sellings, Robert Sheckley, E. C. Tubb,