John D. Voelker

John D. Voelker (June 29, 1903 – March 18, 1991), better known by his pen name Robert Traver, was a noted lawyer, author and fly fisherman from the Upper Peninsula of Michigan. He grew up in his hometown of Ishpeming and later attended the University of Michigan Law School. His early professional career was as an attorney and county prosecutor in Marquette County. Voelker was also appointed to the Michigan Supreme Court by Governor G. Mennen Williams in 1957. He is best known as the author of the novel, Anatomy of a Murder, published in 1958. The best-selling novel was turned into an Academy Award-nominated film of the same name—directed by Otto Preminger and starring James Stewart—that was released July 1, 1959. Duke Ellington wrote the music for the movie. It is critically acclaimed as one of the best trial movies of all time.