Death of Ivan Pavlov
Ivan Pavlov died on February 27, 1936, in Leningrad, Soviet Union (now St. Petersburg, Russia), at the age of 86. He left a legacy as a pioneer in physiology and psychology, particularly known for his work on conditioned reflexes, which has influenced countless fields of study. Pavlov's research laid the groundwork for behaviorism and influenced the study of psychology in the 20th century.