Van Gogh, Bonnard, Vallotton: The Hahnloser Collection at Fondation de l’Hermitage
LAUSANNE.- The Fondation de lHermitage is devoting its major summer exhibition to one of Europes most prestigious private collections : the Hahnloser Collection. Built up by Arthur Hahnloser (1870-1936) and his wife Hedy Hahnloser-Bühler (…