I never heard a bad word about him but only universal approval and approbation... [I have tried to] imitate his easy and uncluttered style. I think I have succeeded to an extent and that it has immeasurably improved my writing. He is the third of three people, then, who formed my writing career. John Campbell and Fred Pohl did it by precept, and Cliff Simak by example.

Without consciousness and intelligence, the universe would lack meaning.

Without Simak, science fiction would have been without its most humane element, its most humane spokesman for the wisdom of the ordinary person and the value o…

An untold time ago, there was a well-founded perception that the human race would end and that something else must take its place. Why must something else take…