Twice he won the Pulitzer Prize in fiction: in 1919 for The Magnificent Ambersons and in 1922 for Alice Adams. His play Clarence launched Alfred Lunt on his distinguished career and provided Helen Hayes with an early successful role. His Penrod books continued the American boy-story tradition which started with the works of Mark Twain. Early in this century, through his novel The Turmoil, he warned of sacrificing the environment...