Upon completing his MA, Williams enrolled at the University of Missouri, where he taught and worked on his Ph.D. in English literature, which he obtained in 1954. In the fall of 1955, Williams returned to the University of Denver as an assistant professor, becoming director of the creative writing program.
After finishing his MA, Williams enrolled at the University of Missouri, where he taught and worked on his PhD in English literature, which he earned in 1954. In the fall of 1955, Williams returned to the University of Denver as an assistant professor, becoming director of the creative writing program.