Many of his last paintings were landscapes, made from earlier sketchbooks and studies, seen through the eye of the print-maker.
Hopper
From 1907, he painted a series of mythological works, and increasingly turned to landscapes, some of which are most unusual, almost surreal.
His enigmatic paintings of interiors appear cinematic in their composition and lighting, akin to those of cinematographers of the future, not painters of the past.
He became an unabashed Impressionist during his long training in Europe, and was a great painter by any standards.
How pigments work, and some of their practical problems.
The Eclectic Light Company 