Joseph Beuys with students during "ring-discussions", Room 20, Staatliche Kunstakademie Düsseldorf, 1967 (on the left: Johannes Stüttgen) ("Beuys", 2015-17)
Joseph Beuys, "Karfreitag-Aktion Mönchen Gladbach" together with Jonas Hafner, "Friedensfeier", concerted action in front of the minster, Mönchen-Gladbach, March 31, 1972 ("Beuys", 2015-17)