Hannah Höch: Grande Dame of Dadaism06/13/2016June 13, 2016A show at Kunsthalle Mannheim celebrates Dadaist artist and collagist Hanna Höch as a revolutionary of the art world. Höch pioneered photomontage as an art form. The retrospective focuses on her post-WWII works.Copy linkImage: picture-alliance/dpa/S. PilickAdvertisement