Which of these American authors has won Pulitzer Prizes, Katherine Neville or Robert Penn Warren
Katherine Neville (author): Katherine Neville (born April 4, 1945) is an American author who writes adventure novels. Robert Penn Warren: Robert Penn Warren (April 24, 1905 – September 15, 1989) was an American poet, novelist, and literary critic and was one of the founders of New Criticism. Robert Penn Warren:  He received the 1947 Pulitzer Prize for the Novel for his novel "All the King's Men" (1946) and the Pulitzer Prize for Poetry in 1958 and 1979.
Robert Penn Warren