Ivan Pavlov was a psycholgist and Nobel Laureate. He is most well known for his experiments training dogs to salivate when they heard a bell based on food being presented previously when the bell rang, known as Pavlovian learning. This began the field of behavoural psychology.
Used in Chap. 16: page 261
Also known as pavlov
Links:
nobelprize.org:
The Nobel Prize in Physiology or Medicine 1904: Ivan Pavlov
Encyclopedia Britanica:
Ivan Pavlov - Russian physiologist
Wikipedia:
Ivan Pavlov