He was the editor-in-chief of the newspapers Sør-Trøndelag from 1949 to 1954 and Akershus Folkeblad from 1954 to 1958. In 1958 he was hired as a journalist in Dagbladet, where he stayed until 1970. He published several books on Norway during World World War World War II
1965"s Det største spillet was made into a film in 1967, with the English title The Greatest Gamble.
The same year he was awarded the Gyldendal"s Endowment.