 An outstanding focus of the collection is the installation- and "object" art of the last thirty years.The most important artists in the collection are Dietrich Helms, Jeppe Hein, Rebecca Horn, Thomas Huber, Vollrad Kutscher, Ingeborg Lüscher, Christiane Möbus, Norbert Radermacher, Franz Erhard Walther and Dorothee von Windheim with her work "Fassade III" (in English "Facade III") (1979).In addition, there are works of international artists such as Ilya Kabakov with his work "Der Rote Waggon" ("The Red Wagon", 1991), Micha Ullman, Richard Serra, Jochen Gerz with his composition "Der Transsibirische-Prospekt" ("Trans-Siberian View", 1977) and Christian Boltanski.