Photograph from the book The Mechanism of Human Physiognomy (1862), taken by its author, Guillaume-Benjamin-Armand Duchenne (who is also known as Duchenne de Boulogne). Duchenne (1806-1875), a French neurologist, stimulated the muscles of live subjects wi

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Photograph from the book The Mechanism of Human Physiognomy (1862), taken by its author, Guillaume-Benjamin-Armand Duchenne (who is also known as Duchenne de Boulogne). Duchenne (1806-1875), a French neurologist, stimulated the muscles of live subjects with faradic current to demonstrate the mechanics of facial expression.

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Size: 2980px × 3534px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No

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