The 40th anniversary of David Rowland's iconic design - the 40/4 chair - was celebrated by a special theme exhibition at Orgatec 2004 in Cologne. The creative and personal interpretations of the 40/4 chair, done by the prominent designers who participated in this commemoration of David Rowland, was exhibited on a stand build up as square - the place where people meet and celebrate. Take a look at the creative outcomes!