Books Are Keys That Unlock The Past, The Present and The Future (1927). Haddon Sundblom (American, 1899-1976). Lithograph.
This illustration was created by Sundblom for the Cream Of Wheat Company. Sundblom, as well as Pyle and Zorn before him, was a practitioner of a kind of painting adapted from the Impressionists called “alla prima” or “first stroke,” The technique involved “laying down the fewest strokes in the quickest time to sufficiently describe moving targets.”