Sammlung Ackermans : Christian Boltanski, Herbert Brandl, Tony Cragg, Richard Deacon, Thomas Demand, Lucinda Devlin, Peter Fischli / David Weiss, Katharina Fritsch, Georg Herold, Martin Honert, Ilya Kabakov, Kim Sooja, Jannis Kounellis, Mario Merz, Olaf Metzel, Reinhard Mucha, Ron Mueck, Juan Munoz, Shirin Neshat, Tony Oursler, Paul Pfeiffer, Michelangelo Pistoletto, Jason Rhoades, Thomsas Ruff, Julian Schnabel, Thomas Schütte, Pia Stadtbäumer, Bill Viola, Jeff Wall, Andy Warhol, Franz West, Rachel Whiteread, Bill Woodrow