XEE4186813: The man who makes youth: Dr. Serge Abrahamovich Voronoff (1866-1951), a French surgeon of Russian origin, and his assistant experiment on a dog the method of rejuvenation that made the celebrity of the scholar practitioner in a laboratory of the College of France. Engraving in “” Le petit Journal Illustré””, on 10/22/1922., Anonymous / Bridgeman Images