Man Ray: Object To Be Destroyed, 1932. More informations: Dreher, Thomas: Conceptual Art and Software Art, chapter I.1. Internet: http://iasl.uni-muenchen.de/links/NAKSe.html #manray #dada #dadaism #dadaismus #dadaart #dadaartwork #conceptualart #conceptart #conceptartwork #conceptualartwork #actionsculpture #aktionsskulptur #actionart #notation #notationart #notationartwork #thomasdreher