Günther Uecker , also known as Guenther Uecker , (born 13 March 1930) is a German sculptor, op artist and installation artist . Biography Uecker was born in Wendorf , Mecklenburg . [1] Uecker began his artistic education in 1949 when he took up studies at Wismar . He then went to the art school in Berlin-Weißensee and in 1955 to Düsseldorf , where he studied under Otto Pankok at the Kunstakademie Düsseldorf . In 1956 he began using nails in his art. Uecker met the group ZERO with Heinz Mack and Otto Piene in 1960, artists who propagated a new beginning of art in opposition to the German Informel . He occupied himself with the medium of light, studied optical phenomena, series of structures and the realms of oscillation that actively integrate the viewer and enable him to influence the visual process by kinetic or manual interference. Uecker, Mack and Piene began working together in joint studios at the Stedelijk Museum in Amsterdam in 1962 and installed a 'Salon de ...