Hans Spemann

Hans Spemann (27 June 1869 – 9 September 1941) was a German doctor. He won the 1935 Nobel Prize in Physiology or Medicine, for his discovery of the 'organizer effect' in embryonic development 

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Category:1869 births
Category:1941 deaths
Category:German doctors
Category:German Nobel Prize winners
Category:Nobel Prize in Physiology or Medicine winners