Grand opening of the first Dada exhibition: International Dada Fair, Berlin, 5 June 1920. The central figure hanging from the ceiling was an effigy of a German officer with a pig’s head. From left to right: Raoul Hausmann, Hannah Höch (sitting), Otto Burchard, Johannes Baader, Wieland Herzfelde, Margarete Herzfelde, Dr. Oz (Otto Schmalhausen), George Grosz and John Heartfield. Anonymous author (1920). Public Domain. Photo and caption source: “Dada” (2021). Wikipedia. The Free Encyclopedia.