Daniel Keyes is best known for his science fiction novel Flowers for Algernon, which won the Nebula Award and Hugo Award in 1966.
Here are some of his other notable works:
* Algernon, Charlie, and I (1966): This novel explores the aftermath of Flowers for Algernon.
* The Minds of Billy Milligan (1981): Based on the real case of Billy Milligan, a man diagnosed with Dissociative Identity Disorder (previously called Multiple Personality Disorder).
* The Touch (1968): A science fiction story about a scientist who discovers a way to communicate with plants.
* The Amazing Marvin (1956): A short story about a genius boy.
* The Moon is a Harsh Mistress (1966): While not written by Daniel Keyes, this science fiction classic by Robert Heinlein is often confused with Keyes' work due to the similarities in titles.
If you're interested in reading any of his works, Flowers for Algernon is a great place to start. It's a moving and thought-provoking story about intelligence, morality, and the human condition.