Theodore Robinson (June 3, 1852 – April 2, 1896) was an American painter best known for his Impressionist landscapes. He was one of the first American artists to take up Impressionism in the late 1880s, visiting Giverny and developing a close friendship with Claude Monet. Several of his works are considered masterpieces of American Impressionism.

https://en.wikipedia.org/wiki/Theodore_Robinson