He was appointed Reader in Law at the University of Oslo in 1960 and Professor of Law with a specialization in commercial and banking law in 1964. He also was the first chairman of the Sami Rights Commission.https://dlc.dlib.indiana.edu/dlc/bitstream/handle/10535/1250/Rights_for_Indigenous_Peoples.pdf?sequence=1&isAllowed=y at p. 11
