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Zufall
Kuratoren: Bernhard Holeczek, Lida von Mengden

Künstler: Arman , Hans Arp, Joseph Beuys, Pol Bury, John Cage, Alexander Calder, César , John Chamberlain, Max Ernst, Robert Filliou, Sam Francis, Gerhard von Graevenitz, Ottmar Hörl, Gottfried Honegger, Wolf Kahlen, Allan Kaprow, Yves Klein, Julio Le Parc, Kenneth Martin, Henri Michaux, Rune Mields, Vera Molnar, Manfred Mohr, François Morellet, Georg Nees, Nam June Paik, Jackson Pollock, Robert Rauschenberg, Man Ray, Niki de Saint Phalle, Bernd Sandfort, Diet Sayler, Kurt Schwitters, Daniel Spoerri, Norbert Thomas, Jean Tinguely, Timm Ulrichs, Dirk Verhaegen, Herman de Vries, Ryszard Winiarski