Norwegian modernist poet whose nature-versus-technology-themed works include Ord og jern (Earth and Iron) and Pass for dorene - dorene lukkes (Mind the Doors - The Doors are Closing). His popular work was translated into numerous languages.
He was the son of an Oslo dentist father and a nurse mother, and he took courses at the University of Oslo.
His unpopular political views during World War II resulted in a treason sentence. He supported the German occupation and vowed allegiance to the Norwegian National Socialist Party.
He wed Petra Tendo in 1940. The couple had two sons.
He was influenced by the work of American poet Carl Sandburg.