Ambroise Vollard was a French art dealer who is regarded as one of the most important dealers in French contemporary art at the beginning of the twentieth century. He is credited with being a major supporter and champion of the contemporary artists of his period, providing exposure and emotional support to numerous then-unknown artists, including Paul Cézanne, Aristide Maillol, Pierre-Auguste Renoir, Louis Valtat, Pablo Picasso, André Derain, Georges Rouault, Paul Gauguin, and Vincent van Gogh.