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.
Colonel Chabert (novel) Le Colonel Chabert (English: "Colonel Chabert") is an 1832 novella by French novelist and playwright Honoré de Balzac (1799–1850). It is included in his series of novels (or "Roman-fleuve") known as "La Comédie humaine" ("The Human Comedy"), which depicts and parodies French society in the period of the Restoration (1815–1830) and the July Monarchy (1830–1848). This novella, originally published in "Le Constitutionnel", was adapted for six different motion pictures, including two silent films.