Frederick Banting (1891-1941) and Ivan Petr
© NMeM / Daily Herald Archive / Science & Society Picture Library
Frederick Banting (1891-1941) and Ivan Petrovich Pavlov (1849-1936), July 1935. 'Sir Frederick Banting, the Canadian discoverer of insulin (right), with 86 year old Dr Pavlov, Rusia's oldest and most celebrated physiologist. Taken in Leningrad during Banting's month long tour of the Soviet Union'.