Kantorowicz was nominated for ignoring national barriers while seeking mutual understanding in his work for internationalism and pacifism. He asserted the necessity of sociological studies in order to understand the functional aspects of law, and his doctrine of free law contributed to the development of the sociology of law.
Kelsen had established a constitutional school based on his doctrine of government (the Viennese school). Kelsen stated that a theory of law should validate and give order to law itself, and his doctrine sought to understand the state from a juridical viewpoint not depending on political, social and psychological arrangements. An ardent supporter of a law reaching beyond the single states, Kelsen stressed the importance of establishing a system of international law emancipated from any political views.
Kantorowicz fled Germany when the Nazis rose to power. Afterward, he taught at various universities in the United States and Italy (from 1935 Great Britain).
Kelsen fled when the Nazis had rose to power. After immigrating to the United States in 1940, he taught at Harvard, Berkeley and the Naval War College in Newport.
The nominators suggested that the nominees should either be awarded separate prizes, or one of the prizes could be equally divdided between them.
The Nomination was also signed by Professor Åke Holmbäck, University of Uppsala and Professor Gunnar Myrdal, University of Stockholm.