1931: The French painter Henri Matisse (1869 - 1954) (left) at an exhibition of his work at the Galerie Georges Petit, Paris. The exhibition was organised by the collector Etienne Bignou (right). (Photo by Hulton Archive/Getty Images)
1931: The French painter Henri Matisse (1869 - 1954) (left) at an exhibition of his work at the Galerie Georges Petit, Paris. The exhibition was organised by the collector Etienne Bignou (right). (Photo by Hulton Archive/Getty Images)