Roger Lee Vernon holds a PhD. He has taught at universities and on many American navy ships around the world. He is the author of several books that include The Space Frontiers, Ro...lihat lebih banyakRoger Lee Vernon holds a PhD. He has taught at universities and on many American navy ships around the world. He is the author of several books that include The Space Frontiers, Robot Hunt, The Fall of the American Empire, and If. Dr. Vernon lives in Elgin, Illinois.lihat lebih sedikit