R.A. Lafferty, Joanna Russ, Robert Silverberg, Joe Haldeman, Ben Bova, James Tiptree Jr., Frederik Pohl, Poul Anderson, Edward Bryant, Gene Wolfe, C.M. Kornbluth, Terry Carr, Alexei Panshin, Cory Panshin, Gordon Eklund, Naomi Mitchison, William Rotsler, Grahame Leman