Arthur Fink, Research Associate Museum Brandhorst, previously Assistant Curator Kunstmuseum Basel; Claudine Grammont, Director Musée Matisse, Nice; Josef Helfenstein, Director Kunstmuseum Basel With contributions by Elena Degen, Arthur Fink, Claudine Grammont, Josef Helfenstein, Gabrielle Houbre, Béatrice Joyeux-Prunel, Peter Kropmanns, Maureen Murphy and Pascal Rousseau