Exhibition catalogue published in conjunction with an exhibition held at the Kölnischer Kunstverein from August 31 - November 16, 1986. Includes black-and-white illustrations of the work of Hans G. Helms, Mary Bauermeister, Karlheinz Stockhausen, Mauricio Kagel, Klaus Shöning, Sammlung Hahn, Wolf Vostell, Stefan Wewerka, Ernst Brücher, L. Fritz Gruber, Louis F. Peters, Birgit Hein and many others. Essays by Paul Wember and Gabrielle Lung. All text in German.