1844-1926 1877-1927 1889-1977 1894-1980 1898-1976 andrea anna artandstate biography cassatt censorship chaplin charlie criticismandinterpretationduncan dancers dansmuseet(stockholm duncan history historyisadoraduncandanceensemble influenceduncan mantell-seidel mary moderndance painters paul politicalactivists robeson sweden) unitedstates