Painting, object, film, concept : works from the Herbig Collection : Carl Andre, Georg Baselitz, Joseph Beuys, Marcel Broodthaers, Daniel Buren, James Lee Byars, Hanne Darboven, Dan Flavin, Gilbert and George, Erwin Heerich, Douglas Huebler, Jorg Immendorff, On Kawara, Imi Knoebel, Walter de Maria, Bruce Nauman, Claes Oldenburg, Palermo, Panamarenko, A.R. Penck, Sigmar Polke, Gerhard Richter, Dite...