1937

for their experimental discovery of the diffraction of electrons by crystals

for their experimental discovery of the diffraction of electrons by crystals

for his investigations on carbohydrates and vitamin C

for his investigations on carotenoids, flavins and vitamins A and B2

for his discoveries in connection with the biological combustion processes, with special reference to vitamin C and the catalysis of fumaric acid

for the artistic power and truth with which he has depicted human conflict as well as some fundamental aspects of contemporary life in his novel-cycle <I>Les Thibault</I>

for his tireless effort in support of the League of Nations, disarmament and peace