About Ivan Pavlov
Ivan Petrovich Pavlov was a Russian and Soviet experimental neurologist and physiologist known for his discovery of classical conditioning through his experiments with dogs. Pavlov also conducted significant research on the physiology of digestion, for which he was awarded the Nobel Prize in Physiology or Medicine in 1904. After a competitive examination, Pavlov won a fellowship at the academy for postgraduate work. In his fourth year, his first research project on the physiology of the nerves of the pancreas won him a prestigious university award. While at the academy, Pavlov became an assistant to his former teacher, Elias von Cyon.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.