Masters of Science Fiction: Isaac Asimov (1920-1992) and Ray Bradbury (1920-2012). These two giants were interviewed for KPFA’s “Probabilities” program, Asimov in 1983 by Richard Wolinsky and Bradbury in 1992 by Richard A. Lupoff and Richard Wolinsky. The Isaac Asimov interview has not been heard in nearly forty years. Hosted by Richard Wolinsky.