1938

for his demonstrations of the existence of new radioactive elements produced by neutron irradiation, and for his related discovery of nuclear reactions brought about by slow neutrons

for his work on carotenoids and vitamins

for the discovery of the role played by the sinus and aortic mechanisms in the regulation of respiration

for her rich and truly epic descriptions of peasant life in China and for her biographical masterpieces

for having carried on the work of Fridtjof Nansen to the benefit of refugees across Europe