Artists include: Richard Artschwager; Shusaku Arakawa; Daniel Buren; Dan Flavin; Günther Förg; Gilbert & George; Thomas Grünfeld; Peter Halley; Damien Hirst; Donald Judd; Joseph Kosuth; Imi Knoebel; Jannis Kounellis; Sol Lewitt; Gerhard Merz; Giulio Paolini; Ulrich Rückriem; Reiner Ruthenbeck; Cindy Sherman; Haim Steinbach