Paul Cezanne and Paul Gauguin were two of the most influential Post-Impressionist painters of the 19th century. Cezanne was a French artist who is credited with laying the foundations for the transition from 19th century Impressionism to 20th century Cubism. He was known for his use of color and geometric shapes. Gauguin was a French painter, sculptor, and printmaker who was heavily influenced by Primitivism. He was known for his bold colors and expressive lines. Both Cezanne and Gauguin had a profound impact on modern art.