The Sentinel
Arthur C. Clarke1951

The Sentinel was first published in the spring 1951 issue of 10 Story Fantasy. It later served as the starting point for the film and novel, 2001: A Space Odyssey.

Sir Arthur C. Clarke (1917-2008) is regarded as one of the most-influential science fiction writers of all time. He was named a Grand Master by the Science Fiction and Fantasy Writers of America, and was inducted into the Science Fiction and Fantasy Hall of Fame.