Historical diagram of the brain, showing the process of sight, by Rene Descartes. The Nervous System, 1662.

- Image ID: T96M06
Historical diagram of the brain, showing the process of sight, by Rene Descartes. The Nervous System, 1662.
Science History Images / Alamy Stock Photo
Image ID: T96M06
René Descartes, Brain and Eye, 1662