Book excerpt: The first modern Irish playwrights emerged in London in the 1890s, at the intersection of a rising international socialist movement and a new campaign for gender equality and sexual freedom. Irish Drama and the Other Revolutions shows how Irish playwrights mediated between the sexual and the socialist revolutions, and traces their impact on left theatre in Europe and America from the 1890s to the 1960s. Drawing on original archival research, the study reconstructs the engagement of Yeats, Shaw, Wilde, Synge, O'Casey, and Beckett with socialists and sexual radicals like Percy Bysshe Shelley, William Morris, Edward Carpenter, Florence Farr, Bertolt Brecht, and Lorraine Hansberry.