2. Japanese Prints: Van Gogh was captivated by the bold lines and vivid colors of Japanese prints which he often incorporated into his own work.
3. Naturalism: Van Gogh was a great admirer of Jean-François Millet, a French painter of the Barbizon school who was known for his scenes of rural life.
4. Color Theory: Van Gogh’s use of color was highly influenced by the writings of 19th-century French chemist Michel-Eugène Chevreul and his theories of complementary colors.