iasimov Sci-fi memoir Book with reminiscences of Heinlein and Clarke 1994 sci-fi memoir 1994 memoir of "The Human Typewriter" 1994 literary autobiography 1994 sci-fi writer's memoir 1994 literary autobiography whose first chapter is titled "Infant Prodigy?" Hugo-winning 1994 memoir 1994 memoir with a chapter on "New Robot Novels"