In the June 22 Issue of Science, a glowing review of The Biology of Art appears:

The most striking artistic productions are the multistage colored paintings achieved by giving Congo one brush after another, each loaded with a particular color of paint.  This technique made possible the entrancing colored pictures, some with radiating fan patterns and bold circular loops, illustrated in the remarkable color plates.

HARRY F. HARLOW19


19 Harlow, Harry. “The Biology of Art.” Science 136. June 22 (1962): 1047-48. Print.