Poul Anderson was one of the most prolific and popular writers in science fiction. He won the Hugo Award seven times and the Nebula Award three times, as well as many other awards, notably including the Grand Master Award of the Science Fiction Writers of America for a lifetime of distinguished achievement. With a degree in physics, and a wide knowledge of other fields of science, he was noted for building stories on a solid foundation of real science, as well as for being one of the most skilled creators of fast-paced adventure stories. He was author of over a hundred novels and story collections, and several hundred short stories, as well as several mysteries and nonfiction books. He died in 2001.