title: The Poggendorff illusion in Descent from the Cross by Rubens.
abstract: A comparison of the painting Descent from the Cross by Rubens with the earlier oil sketch reveals that Rubens discovered the Poggendorff illusion.
mesh_terms: D001154:Art; D006801:Humans; D007088:Illusions; D009903:Optical Illusions; D010151:Paintings