Sir Charles Bell was a Scottish surgeon, anatomist, physiologist, neurologist, artist, and philosophical theologian. Bell discovered the difference between sensory nerves and motor nerves in the spina
The Maniac by Charles Bell (1806)
Opisthotonus (Tetanus) by Charles Bell (1809)
Plate 10 from "Anatomy of the Brain Explained in a Series of Engravings" Image credited to Special Collections Research Center, University of Chicago Library.