Gary Westfahl is adjunct professor at the University of La Verne, CA. His previous books include No Cure for the Future (2002), Unearthly Visions (2002), Worlds Enough and Time (2002), Science Fiction, Canonization, Marginalization, and the Academy (2002), Science Fiction, Children's Literature, and Popular Culture (2000), Space and Beyond (2000), and Cosmic Engineers (1996), all available from Greenwood Press.
George Slusser is professor of comparative literature at the University of California, Riverside. He has written several books about science fiction authors and coedited numerous scholarly studies.