Screenwriter known for his stories revolving around the character of John Shaft. He also wrote the screenplay for 1971's Shaft, which starred John D.F. Black.
He grew up in Cleveland, Ohio.
In 1979, he co-wrote one of Chuck Norris's earlier films entitled A Force of One.
He had two children with his wife Susan.
Like author Mary Hahn, he was the recipient of an Edgar Award.