Understanding art for geeks, by Paul The Wine Guy
via
guil.

Napoleon Crossing the St. Bernard Pass
Jacques-Louis David, 1800-01
Oil on canvas, 60 x 221 cm.

The Last Supper
Leonardo da Vinci, 1495–1498
Tempera on gesso, pitch and mastic, 460 × 880 cm.

David with the Head of Goliath
Caravaggio, 1609-10
Oil on canvas, 125 × 101 cm.
many more like this at flickr.

Napoleon Crossing the St. Bernard Pass
Jacques-Louis David, 1800-01
Oil on canvas, 60 x 221 cm.

The Last Supper
Leonardo da Vinci, 1495–1498
Tempera on gesso, pitch and mastic, 460 × 880 cm.

David with the Head of Goliath
Caravaggio, 1609-10
Oil on canvas, 125 × 101 cm.
many more like this at flickr.