His name is now a term that means traitor. That’s because after two decades of working for the Norwegian government in various roles, he collaborated with Hitler and the Nazi party, welcomed the German occupation of his country.
Research:

SYMHC Classics: Dr. Lucy Hobbs Taylor
29:58

Behind the Scenes Minis: Carry-on Bags
28:38

Gustave Flaubert and the ‘Madame Bovary’ Trial
45:15