Fractal characteristics associated with Jackson Pollack’s paintings are interesting, but to determine authenticity, it would seem that two propositions would have to be proved: first, that Pollack’s paintings always had fractal character; and second, that only Pollack’s paintings had fractal character. Both seem highly dubious.

Steve Johnson
Prairie Village, Kan.

In doing drip or splash painting, the artist defines the overall upper-level structure of the image, but the higher-magnification patterns are the result of the physics of liquids falling on a solid surface, only slightly affected by the artist’s intention. Any drip painting that looks like a Pollack overall will look in details like one as well.

Bruce McIntosh
Madrid, N.M.