An exhibition of over 100 paintings dating from 1961 to the late 1990s. A bi-lingual (English/German) catalogue was published by the Kunstverein to accompany the exhibition. ISBN 34 67704 56379 84. The contents included essays by Robert Kudielka , Michael Krajewski, Raumund Stecker; conversations on the perception and use of colour with Ernst Gombrich, and on practising abstraction with Michael Craig-Martin together with a piece on Mondrain by Bridget Riley.