Vuillard, Édouard (1868-1940) La Chanteuse (The Singer) 1891–1892 Pastel on paper, 27.7 x 20 cm Museo Thyssen-Bornemisza, Madrid Édouard Vuillard, together with Maurice Denis and Paul Sérusier, was one of the founders of the Nabis, a group, which emerged from the…