Gottfried Semper was the most important German architectural theorist of the nineteenth century. The originality and breadth of his approach were both supported and contested by the architects of Modernism. This conference, chaired by Mark Cousins, examines the renewed interest in Semper's seminal arguments.Thomas Duda - Between structure and dressing: Herzog and de Meuron and the principle of dressing. John Outram - Scripted SurfacesNB: Questions from audience are difficult to hear during each Q & A. Slight picture interference during presentations by Duda and Outram.