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"""A curious optical deception takes place when a carriage wheel, rolling along the ground, is viewed through the intervals of a series of vertical bars."" -Peter Mark Roget, Explanation of an Optical Deception (1825) Explanation of an Optical Deception in the Appearance of the Spokes of a Wheel When Seen Through Vertical Apertures (1825) describes the research of Peter Mark Roget, a pioneer in identifying phenomena that advanced the invention of filmmaking. Here, Roget wrote about his studies and his observations of how light is transmitted, based initially on looking at the world through a series of slits such as a vertical Venetian blind or palisade. Roget's work showed that an image persists in human perception for about one-sixteenth of a second, introducing one of the primary principles on which animation, film, and television are based."

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PETER MARK ROGET (1779-1869), was a remarkable scholar who is best known for publishing the Thesaurus of English Words and Phrases, a classified collection of related words. Before creating his now-legendary thesaurus, however, Roget already had a significant list of accomplishments. While practicing medicine, he also conducted research and made important discoveries in the fields of mathematics, optics, electricity, and magnetics.

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