In 1929, he became a Filosofie licentiat with his work on flow problems in airplane wings, and in 1934 he was awarded his Doctor of Philosophy with his doctoral dissertation on Magnus effect.
1929 blev han filosofie licentiat med sitt arbete om strömningsproblem vid flygplansvingar, och 1934 blev han filosofie doktor med sin doktorsavhandling om Magnuseffekten.