While neuroanatomist Santiago Ramo´n y Cajal’s (1852- 1934) groundbreaking contributions to neuroscience included definitive evidence for neuron theory and the discovery of the synapse, he is also well-known for an altogether different skill: drawing. In 1887, Cajal discovered Camillo Golgi’s (1843- 1926) technique of using silver nitrate to stain neurons, a technique that produced remarkably clear images of neurons against a yellow background…