David Walton is an American science fiction and fantasy author known for writing thought-provoking novels that often incorporate elements of hard science, technology, and speculative concepts. His works often explore themes such as identity, ethics, and the impact of scientific advancements on society. Walton has won the Philip K. Dick Award for his novel "Terminal Mind" and has been recognized for his other works in the genre. He is appreciated for his creativity and the depth of his ideas as well as his engaging storytelling style.