1917 - 2008
British science fiction writer and inventor, and futurist. He is famous for his short stories and novels, including 2001: A Space Odyssey (1968), and as a host and commentator in the British television series Mysterious World.
1921 - 1991
American television screenwriter, producer and futurist. He is best known for creating the original Star Trek television series and thus the Star Trek science fiction franchise. Years after his death, Roddenberry was one of the first humans to have his ashes "buried" in outer space.