Career
He took the candidate.jur. degree in 1892 and after studying abroad he settled in Kristiania in 1896. After a period as assessor in Oslo City Court from 1897 to 1899 he took the lawyer"s licence. From 1924 to 1939 he served as the Attorney General of Norway.
He was the father of jurist and theatre director Erik Kristen-Johanssen.
He died in 1949.