In Düsseldorf, West Germany, amid the tumultuous aftermath of the Second World War, two German artists—Heinz Mack and Otto Piene—founded Group Zero in 1957. Later joined by fellow German artist Günther Uecker in 1961, the three sought to reinvent art in the postwar era and create a vision toward a transformed future through myriad artistic forms: performance, painting, sculpture, exhibition, publication, film, and installation. In[…..]