Complex sentence: After serving in the Vietnam War, he enrolled at the University of Texas at Austin, where he completed master's degrees in English and Librarianship in 1976 and his Ph.D. in English in 1984.
Split into simpler sentences: After serving in the Vietnam War, he enrolled at the University of Texas at Austin. He completed master's degrees in English and Librarianship in 1976 and his Ph.D. in English in 1984.