The one who wrote All the King’s Men is Robert Penn Warren, which he published in 1946. He was born on April 24, 1905 in Guthrie, Kentucky.
He became a professional writer when he published his first work entitled John Brown: The Making of a Martyr in 1929. He then went on to write more works such as the following: Understanding Poetry in 1939, Night Rider in 1939, At Heaven’s Gate in 1943, Melville in 1946, Band of Angels in 1955, The Cave in 1959, How Texas Won Her Freedom in 1959, Who Speaks for the Negro? in 1965 and John Greenleaf Whittier’s Poetry: An Appraisal and Selection in 1971. Robert Penn Warren won the Pulitzer Prize in 1947 for All the King’s Men and it was then adapted into a movie –one in 1949 and the other in 2006.