Edward Albee and Oliver La Farge both won this award, one for a novel and one for a play?
Edward Albee Edward Franklin Albee III ( ; March 12, 1928 – September 16, 2016) was an American playwright known for works such as "The Zoo Story" (1958), "The Sandbox" (1959), "Who's Afraid of Virginia Woolf?" (1962), and "A Delicate Balance" (1966). Three of his plays won the Pulitzer Prize for Drama, and two of his other works won the Tony Award for Best Play.
Vanities, A New Musical Vanities, A New Musical is a musical with music and lyrics by David Kirshenbaum and a book by Jack Heifner, based on the book and 1976 play of the same name. The musical premiered Off-Broadway in 2009, after an engagement at the Pasadena Playhouse, California in 2008. A revised version was then staged in the West End in 2016.