By Dietmar Elger 

By Barbara Hess 

By Leonhard Emmerling 

By Magdalena Droste 

By Barbara Deimling 

By Gilles Nret 

By Ingo F. Walther 

By Alexandra Kolossa 

By Adele Schlombs 

By Pierre Restany 

By Karin H. Grimme 

By Andrea Kettenmann 

By Hajo Dchting 

By Frank Zllner 

By TASCHEN 

By Marcel Paquet 

By Volkmar Essers 

By Doris Krystof 

By Michael Bockemhl 

By Cathrin Klingshr-Leroy 

By Michael Bockemhl 

By Klaus Honnef 

By Rainer Metzger 

By Louna Lahti