Chicago-based economist David Galenson recently demonstrated that Picasso was by far the greatest artist (ah no - demonstrated his paintings are the most reproduced in educational materials-) of the 20th century. Galenson's method is simplicity itself: round up every art history textbook of the past 15 years and see whose art is reproduced most frequently. Picasso, with 395 illustrations in 33 textbooks, scores nearly as many as his three closest rivals (Matisse, Duchamp, and Mondrian) put together. huh. -Slate article2/4