1818-1906 1922-2011 1927-2006 1929- 1938-2011 1940- 1946- 1952-2013 1954- 1963- 20thcentury acconci allan art artandsociety artistcouples artisticcollaboration artistsandmuseums biography bruggen buildings christian claes coosjevan criticismandinterpretationkaprow criticismandinterpretationoldenburg dennis etc europe exhibitions exhibitiontechniques fortification fred förg germany gillian günther hamilton happening happenings(art) history houseof industrialrelations intellectuallife jeff kaprow kingsandrulers labormovement military modern motives museumsinart occupationaltraining oppenheim politik queens richard structures studyandteaching themes unitedstates vito wall wearing whitneymuseumofamericanart wilson