One of favorite artists, and the only Cubist talented enough to make Picasso uncomfortable, Juan Gris built upon the foundations of early Cubism and steered the movement in new directions. A member of the tight-knit circle of avant-garde artists working in Paris, Gris adopted the radically fragmented picture spaces of Pablo Picasso and Georges Braque, imparting to his works a bold, graphic look. Gris's paintings are immediately distinguishable from theirs, informed by his background as an illustrator, with a slick, almost commercial appearance, and crisp design elements throughout...