In 1899 he wrote the book Reform av den medicinske undervisning ('Reform of the Medical Training'), which became unpopular in academic circles at the time.
In a series of articles in Arbeiderbladet in 1933 he concluded that Adolf Hitler was a paranoid psychopath, and the German legation in Oslo delivered several official protests claiming he was offending a foreign head of state.
[3] He participated in the public debate on the legal purge in Norway after World War II, arguing against the use of death penalty, and he warned against the occurrences where people took the law into their own hands and humiliated women who had had sexual relations with the occupants.
He opposed Norwegian membership in NATO and even the United Nations, arguing that the state was too small to gain influence.
[6] He admired the Swiss political system, and saw the country's neutrality as an ideal for Norway in the 1950 book Norske aktstykker til okkupasjonens forhistorie.
[1] In 1961 he stood forward as a member of Landsforbundet for folkeavstemning, a lobby organization which worked to include the institution of referendums in the Norwegian Constitution.