He took the MBA in 1911 and his Ph.D in 1917 with the thesis Material problems of Platonism: Plato, Aristotle, Plotinus, Bruno: a historical-critical study.
Han tog en filosofie kandidatexamen 1911, och doktorerade 1917 med avhandlingen Materieproblemet i platonismen – Platon, Aristoteles, Plotinos, Bruno : en historisk-kritisk studie.