Lectures on Conditioned Reflexes: Twenty-four Years of Objective Study of the Higher Nervous Activity (Behaviour) of Animals, Vol 1. Translated and edited by Horsley Gantt and G Volborth. Introduction by Walter Cannon.
Ivan Petrovich Pavlov was a Russian physiologist, psychologist, and physician. He was awarded the Nobel Prize in Physiology or Medicine in 1904 for research pertaining to the digestive system. Pavlov is widely known for first describing the phenomenon of classical conditioning.