Career
He was Minister of Industrial Provisioning 1918-1920. Hauan was an engineer and industrialist by profession, and was instrumental to the development of petroleum trade and petroleum refinement in Norway in the early 20th century.
He was Minister of Industrial Provisioning 1918-1920. Hauan was an engineer and industrialist by profession, and was instrumental to the development of petroleum trade and petroleum refinement in Norway in the early 20th century.