Birthdate: September 26, 1849
Sun Sign: Libra
Birthplace: Ryazan, Russia
Died: February 27, 1936
Russian physiologist Ivan Pavlov is best remembered for his research in classical conditioning. He became the first Russian Nobel laureate after winning the 1904 Nobel Prize for Physiology or Medicine for his study of the physiology of digestion. His experiment on conditioned reflex using dogs is still studied in colleges.