HANNOVER.- With his three-dimensional collages, the themes of which virtually thrust themselves upon the viewer, Thomas Hirschhorn counts among the most discussed artists of the international contemporary art scene. His works never fail to trigger controversial debates on the question concerning art and its potential and/or necessary contribution to societal themes. Of central importance to Hirschhorn is the kind of art in which form can constitute a possible resistance to and within those social circumstances that have such a factual force that they seem to outshine everything. As the winner of the Kurt Schwitters Prize, the Swiss artist Thomas Hirschhorn has produced two completely new installations for Hanover. Standing at No. 5 Waldhausenstrasse, the site and origin of Kurt Schwitters’ first Merzbau, is the “Kurt Schwitters Platform”,