|Woman in Blue, 1937, Henri Matisse. The initial painting (using the model) is at right, the final version on the left.|
|Ron Spronk examines x-rays of Mondrian's|
Rhythm of Black Lines and Composition No. 7.
|Composition in Red, Blue, and|
Yellow, 1928, Piet Mondrian
|Broadway Boogie Woogie, 1942-43, |