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.Mark Cousins - Introduction. Mari Hvattum - Poetics and practical aesthetics in the writings of Gottfried Semper. Gordana Korolija - Polychromy, whiteness, walls NB: Questions from audience are difficult to hear during each Q & A.