After that, he studied at the Norwegian Institute of Technology until 1962.

He was a professor at the Norwegian Institute of Technology from 1910.

He was a lecturer at the Norwegian Institute of Technology from 1920 to 1936.

In 1928 he returned to the Norwegian Institute of Technology as a research fellow.

It should not be confused with the Norwegian Institute of Technology.

He studied to become an architect like his father at the Norwegian Institute of Technology from 1919 until 1921.

He worked as a lecturer at the Norwegian Institute of Technology from 1958 to 1967.

He studied at the Norwegian Institute of Technology and graduated in 1950.

He graduated from the Norwegian Institute of Technology in 1965.

He was assigned professor at the Norwegian Institute of Technology from 1966 to 1991.