Nothing excited early modern anatomists more than touching a beating heart. In his 1543 treatise, Andreas Vesalius boasts that he was able to feel life itself through the membranes of a heart belonging to a man who had just been executed, a comment that appears near the woodcut of a person being dissected while still hanging from the gallows. In this highly original book, Rose Marie San Juan confronts the question of violence in the making of the...