1876-1944 1880-1918 1887-1948 1894-1962 20thcentury assemblage(art) concretepoetry criticismandinterpretationapollinaire criticismandinterpretationcummings criticismandinterpretationmarinetti expressionism(art) germany guillaume history historyandcriticism kurt modern poetry schwitters semioticsandliterature visualpoetry