Although Joseph Mallord William Turner learned much about light, atmosphere, and water reflections from the likes of Claude Lorrain and other Dutch marine painters, he pushed the envelope by expanding and egrandising the role of light, color, and color key in painting.
One of his primary concerns was the overall romantic effects attained through light and color. Turner's later works foreshadows the Impressionists that followed him.
Watercolor Masters: J.M.W. Turner © 2010 Greg Conley