Henri Matisse was an artiste, a French painter, sculptor, and draughtsman who was known for his use of vibrant colors and bold designs. He was a leader of the Fauvism movement in the early 20th century and is considered one of the most influential artists of the modern era. Matisse's works are characterized by expressive line, vivid color, and a strong sense of composition. He was also a master of paper cutouts, which he used to create colorful and intricate works of art.