Adolf Franken, Lothar Wolleh, Erwin Heerich, Feedback Studio, Rolf Glasmeier, Mauricio Kagel, Bernd and Hilla Becher, Joseph Beuys, Hartmut Böhm, Marcel Broodthaers, Michael Buthe, Ulrich Erben, Robert Filliou, Winfred Gaul, Rupprecht Geiger, Karl Gerstner, Kuno Gonschior, Gotthard Graubner, Gerhard Hoehme, W. Knoebel, Bernd Koberling, Klaus Rinke, Ferdinand Kriwet, Heinz Mack, Otto Piene, Gerhard Richter, Diter Rot, Ulrich Rückriem, Reiner Ruthenbeck, Emil Schumacher, Ferdinand Spindel, Daniel Spoerri, Karlheinz Stockhausen, André Thomkins, Günther Uecker, Franz Erhard Walther, Franz Rudolf Knubel a.o.
Royal College of Art, 1973 ⁄ staple-bound ⁄ - ⁄ Jean Dubuffet, Lawrence Weiner, Sandro Chia, Joseph Beuys, Antonio Dias, Robin Mackenzie, Reiner Ruthenbeck, Jan Dibbets, Andy Warhol, Franca Sacchi, F.T. Marinetti, Henri Nouveau, Kurt Schwitters, Yves Klein, Asger Jorn, Ben, Karel Appel, Jean Tinguely, Mimmo Rotella, François Dufrene, Raoul Hausmann, Marcel Duchamp, Richard Huelsenbeck, Bernar Venet, Robert Whitman, Bruce Nauman, Jean Dupuy, T. Bruynel, Terry Fox, Richard Artschwager, Arthur Köpcke, D. Railmakers, R. Hains, Peter Struycken, Sarkis, Marina Abramović, Jim Dine, Pieter Engels, Valerio Adami, H. Martin, Christian Boltanski, E. Radiguez, Fernando de Filippi, G. Notargiacomo, Ian Murray, Angelo Bozolla.