1922

for his services in the investigation of the structure of atoms and of the radiation emanating from them

for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole-number rule

for his discovery relating to the production of heat in the muscle

for his discovery of the fixed relationship between the consumption of oxygen and the metabolism of lactic acid in the muscle

for the happy manner in which he has continued the illustrious traditions of the Spanish drama

for his leading role in the repatriation of prisoners of war, in international relief work and as the League of Nations' High Commissioner for refugees