Their posters manifest a reduced expression, convincing in a poetic-sensuous manner while challenging intellectually. In particular the posters advertising exhibitions convey complex contents in a puristic and timeless form. The creations by Hamburger are characterised by a more pro- nounced adherence to tradition-while Staehelin's experimental openness often leads to surprising results.The joint works of the two reveal the mutual appreciation and fruitfulness of the professional exchange; sensitively developed posters for the Museum of Design re ect an inspiring combination of graphic design principles and a pure delight in creative design.With an essay by Claude Lichtenstein