 O'Neill's experiments with theatrical form and his use of both Naturalist and Expressionist techniques had a major influence on American dramatists.His best-known plays include "Anna Christie" (Pulitzer Prize 1922), "Desire Under the Elms" (1924), "Strange Interlude" (Pulitzer Prize 1928), "Mourning Becomes Electra" (1931).In poetry Hart Crane published "The Bridge" in 1930 and E. E. Cummings and Wallace Stevens were publishing from the 1920s until the 1950s.