1842-1898 1871-1945 1903-1969 1924-1998 194 19thcentury 20thcentury adorno aesthetics difference(philosophy) enzensberger ethics hansmagnus history jeanfrançois mallarmé modern paul philosophyaestheticsfrenchliterature-19th-20thcenturiescriticism postmodernism richard rorty stéphane subject(philosophy) sublime the theodorw valéry