David Drake is an American author known for his contributions to the science fiction and fantasy genres. He gained prominence in the 1970s and is best known for his military science fiction series, including the Hammer's Slammers books, which explore themes of warfare and technology. In addition to his novels, Drake has written short stories and collaborated with other authors. He has a background in the military, having served in the Vietnam War, which influences much of his writing. His work often reflects a deep understanding of military strategy and the human experience in conflict.