American screenwriter and novelist born on September 29, 1912 in Kansas City, Missouri, USA. He worked as a screenwriter for cartoons from 1944, where he collaborated with director Tex Avery. He began writing fictional works in 1950. His works have been adapted into films, such as Mackenna's Gold, The Tall Men, and Yellowstone Kelly. He died on October 26, 1991 in Van Nuys, California, USA.