1882-1967 1892-1964 1903-1970 1904- 1904-1997 1917- 1917-2009 1925- 1925-2008 20thcentury abstractexpressionism abstrakterexpressionismus action-painting american andrew artcollectionsmuseumofmodernart(newyork australia biography california conservationandrestoration cornell criticismandinterpretationpollock davis dekooning edward etcpollock exhibitions hopper influencepollock jackson joseph losangeles mark metropolitanmuseumofart(newyork n6537 notebooks painters painting pollock pt2681 rauschenberg robert rothko sketchbooks stuart subjectivityinart unitedstates wandmalerei willem wyeth