Isaac Asimov

Isaac Asimov (1920–1992) was an American author and biochemist, renowned as one of the most prolific and influential science fiction writers. He wrote or edited over 500 books, including fiction and nonfiction, and was a key figure in 20th-century science fiction. His story "Nightfall" is considered a classic and was voted the best science fiction short story written before the Nebula Awards were established.