During the German occupation of Norway he was a resistance movement member.
He also held the position briefly after the German occupation of Norway had ended.
It did not return when the German occupation of Norway ended in 1945.
She has contributed to several books on the German occupation of Norway.
He was active in the resistance during the German occupation of Norway.
He was removed from the position in 1941, due to the German occupation of Norway.
The reason for his hiatus was the German occupation of Norway.
It was stopped between 1941 and 1945, during the German occupation of Norway.
During the German occupation of Norway he was jailed several times.
When German occupation of Norway, he involved himself in resistance work.