 George Bernard Shaw turned the Edwardian theatre into an arena for debate about important political and social issues, like marriage, class, "the morality of armaments and war" and the rights of women.An important dramatist in the 1920s, and later, was Irishman Seán O'Casey (1880–1964).Also in the 1920s and later Noël Coward (1899–1973) achieved enduring success as a playwright, publishing more than 50 plays from his teens onwards.