Allen Ruppersberg Andrea Schlieker Angela Vettese architecture Atelier Van Lieshout AVL-Ville Ayşe Erkmen Bert Theis Berthold Hörbelt Birgit Sonna Bogomir Ecker city Claudia Schiffer curating Dan Graham Daniel Buren David Weiss Dorothee Golz Eduardo Chillida Eva Schmidt exhibition Friedrich Meschede Gabriel Orozco Giulio Paolini Hans Haacke Hans-Joachim Manske Heike Eipeldauer Heimo Zobernig Herman De Vries Hermann Pitz Herzog & de Meuron history holocaust memorial hospital Ilya Kabakov Jean-Christophe Ammann Joseph Kosuth Kasper König Katharina Hegewisch Lawrence Weiner Manuela Ammer Maria Nordman Marjetica Potrč Mark Dion media Michael Asher Mischa Kuball Olaf Metzel Olaf Nicolai Olafur Eliasson Oliviero Toscani Otto Steidle Paul-Armand Gette Per Kirkeby Peter Fischli politics public sculpture public sights public space public text Rémy Zaugg Richard Artschwager Richard Deacon Sabine Maria Schmidt sculpture Siah Armajani society Stephan Schmidt-Wulffen Stephen Craig street Thomas Hirschhorn Tobias Rehberger Ulrich Rückriem urbanism Vito Acconci Walter Grasskamp Wolfgang Ullrich Wolfgang Winter