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