Daniel Keyes was an American writer who wrote the novel Flowers for Algernon. Keyes was given the Author Emeritus honor by the Science Fiction and Fantasy Writers of America in 2000.

Flowers for Algernon is a short story by American author Daniel Keyes, later expanded by him into a novel and subsequently adapted for film and other media. The short story, written in 1958 and first published in the April 1959 issue of The Magazine of Fantasy & Science Fiction, won the Hugo Award for Best Short Story in 1960. The novel was published in 1966 and was joint winner of that year's Nebula Award for Best Novel.