Philip José Farmer (January 26 1918 - February 25 2009) was an American author known for his science fiction and fantasy novels and short stories.

Sir Arthur Charles Clarke, CBE, FRAS (16 December 1917 - 19 March 2008) was a British science fiction writer, science writer and futurist, inventor, undersea explorer and television series host.

Isaac Asimov born Isaak Ozimov, (January 2 1920 - April 6 1992) was a Jewish-American writer and professor of biochemistry at Boston University. He was known for his works of science fiction and popular science.

Robert Anson Heinlein (July 7 1907 - May 8 1988) was an American science fiction writer. Often called the "dean of science fiction writers", His sometimes controversial works continue to have an influential effect on the genre.