In the late 1940s, CBS chairman William S. Paley, a fan of the Philip Marlowe radio series, asked his programming chief, Hubell Robinson, to develop a hardboiled Western series, a show about a "Philip Marlowe of the Old West". Robinson instructed his West Coast CBS Vice President, Harry Ackerman, who had developed the Philip Marlowe series, to take on the task. Ackerman and his scriptwriters, Mort Fine and David Friedkin, created an audition script called "Mark Dillon Goes to Gouge Eye" based on one of their Michael Shayne radio scripts, "The Case of the Crooked Wheel" from the summer of 19