Buying a gift and not sure what your recipient would like? Let them choose with our gift card.
![The Public Domain Review](/static/pdr-logo_2x-a9aa17abb46a7af84cd791867a6031ec.png)
Browse more Fine Art Prints
Head of Arrotino
Browse more Fine Art Prints
Figure 66 from Duchenne's 1862 monograph Mécanisme de la physionomie humaine, a pioneering work exploring the muscles of facial expression, work which involved the triggering of muscular contractions with electrical probes. (Image source: The Metropolitan Museum of Art)