Animal ethologist conducted classic studies of imprinting among newborn goslings.

That would be Konrad Lorenz, the father of the modern research on the animal behavior that is the father of the modern ethology, who lived from 1903 to 1989.  He was awarded the Nobel Prize for Physiology or Medicine in 1973. He is famous for his work on imprinting, the phenomenon that the newborn nidifugous birds within the first few hours of their lives bond with the first moving thing they lay their eyes on.  

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