Jack Dann, Isaac Asimov, Pamela Sargent, William Tenn, Carol Carr, Robert Silverberg, Horace Gold, Bernard Malamud, Alec Effinger, Robert Sheckley, Isaac Bashevis Singer and Harlan Ellison
Isaac Asimov, Martin H. Greenberg, Charles G. Waugh, Theodore L. Thomas, Alan Edward Nourse, Robert Sheckley, Terry Carr, Poul Anderson, James Blish, Arthur C. Clarke, Fritz Leiber, Alexei Panshin, Larry Niven, Robert F. Young and Duncan Lunan