Dan Simmons is an American author of science fiction, horror, and fantasy. He is best known for his Hyperion Cantos series, which won the Hugo Award for Best Novel in 1990. He has also written several other acclaimed novels, including The Terror, Summer of Night, and The Hollow Man. Simmons has also written several short stories, novellas, and non-fiction works. He is a New York Times bestselling author and has been nominated for numerous awards, including the Bram Stoker Award, the World Fantasy Award, and the Locus Award. He is a master of blending genres and creating unique and captivating stories.