John D. F. Black is a writer, producer, and director of television and films from the 1950s to the 1980s, best known for his work on Star Trek and Star Trek: The Next Generation.
He wrote one of the iconic episodes of Star Trek, "The Naked Time", and was given a story credit for its sequel, TNG's "The Naked Now". He had story credit for the episode "Justice", under the pseudonym Ralph Wills.
He also wrote for many other shows, including The Mary Tyler Moore Show, Charlie's Angels, Hawaii Five-O, The Fugitive, and many others. He also co-wrote the film adaptation of Shaft with Ernest Tidyman (Tidyman had written the novel).
In 1972, he was given an Edgar Award, in the category Best Television Feature or Miniseries Teleplay, for writing the television movie Thief.
