Isaac Asimov was an American writer and biochemist known for his contributions to science fiction and fantasy. He authored the Foundation series, which won the Hugo Award for “Best All-Time Series” in 1966, along with the Galactic Empire and Robot series. His novella Nightfall was voted “Best Short Science Fiction Story of All Time” in 1964 by the Science Fiction Writers of America. In addition to fiction, he wrote popular science books on topics such as chemistry, astronomy, mathematics, and history. In recognition of his contributions, an asteroid (5020) Asimov and a crater on Mars were named in his honor.