Artwork - Déchargement du charbon à Rouen, circa 1892. Oil on canvas. 21 ¼ x 25 ⅝ inches. Louis Valtat is known as one of the leaders and founders of the Fauvist movement which did not totally begin until 1905 at the Salon d''Automne. Born in 1869, Valtat moved to Pans at the age of 17 to study at the Ecole des Beaux Arts under Boulanger, Lefebvre and Constant.