Robert Penn Warren (April 24, 1905 – September 15, 1989) was an American poet, novelist, and literary critic, as well as a founder of New Criticism. Warren was also a member of the Fellowship of Southern Writers. He founded The Southern Review in 1935 with American literary critic Cleanth Brooks. Warren won the Pulitzer Prize for Fiction in 1947 for his novel All the King’s Men (1946) and the Pulitzer Prize for Poetry in 1958 and 1979. He is the only person to have won the Pulitzer Prize for both fiction and poetry.