Isaac (editor) (Walter M. Miller; Eric Frank Russell; Anne McCaffrey; Philip Jose Farmer; Murray Leinster; Fritz Leiber; Harlan Ellison; Robert Silverberg; Samuel R. Delany; Arthur C. Clarke; Avram Davidson; Clifford D. Simak; Daniel Keyes) Asimov
Hans Stefan (editor) (Edmund Cooper; Stanley Mullen; Robert Silverberg; L. Sprague de Camp; John Brunner; Mildred McCune; Henry Slesar; Judith Trevalyan; Will Oursler; Mark Kisker; Jack Lewis) Santesson