this in mind, the party supports all revolutionary tendencies in science and in the arts". Members Johannes R. Becher Alfons Goldschmidt Arthur Holitscher Franz Jung Rudolf Leonhard Karlheinz Martin Ludwig Rubiner Hermann Schüller References Sources Pearlman, Alan Raphael, ed. and trans. 2000. Plays One: Transformation, Masses Man, Hoppla, We're Alive!. By Ernst Toller. Absolute Classics ser. London: Oberon. . Piscator, Erwin. 1980. The Political Theatre. Trans. Hugh Rorrison. London: Methuen. . Originally published in 1929; revised edition 1963. Rorrison, Hugh. 1980. Editorial notes. In Piscator (1980). Sheppard, Richard. 2000. Modernism-Dada-Postmodernism. Avant-Garde & Modernism Studies ser. Evanston, Ill: Northwestern UP. . Stourac, Richard, and Kathleen McCreery. 1986. Theatre as a Weapon: Workers' Theatre in the Soviet Union, Germany and Britain, 1917-1934. London and New York: Routledge. . Willett, John. 1978a. The Theatre of Erwin Piscator: Half a Century of Politics in the Theatre. London: Methuen. . ---. 1978b. Art and Politics in the Weimar Period: The New Sobriety 1917-1933. New York: Da Capo Press, 1996. . Organisations based in Berlin Theatre companies in Germany