1887-1968 1928-1987 1955- 21stcentury adultchildabusevictims andy art artcollectionslogan biography carolyna childabuse christianbiography colorado conceptualart criticismandinterpretationduchamp criticismandinterpretationkoons damien duchamp erotischekunst exhibitions hirst jeff kent marcel painting privatecollections sculpture unitedstates vail vicki warhol