A wide-ranging conversation with astrophysicist Stephen Webb, owner of all the canonical works of Isaac Asimov save for a couple of wall charts. Dr. Webb talks about Asimov the teacher, speculations on the distant future of humanity in the galaxy, the plausibility of psychohistory, faster than light travel, robots with positronic brains, other favorite science fiction authors, and the biggest question of all – are we alone in the galaxy or even in the universe?