Norwegian teacher and writer known for walking entire Norwegian border (against the Soviet Union, Finland and Sweden) together with adventurer Lars Monsen. The expedition started in 1989 at Grense-Jakobselv in the north and ended in Halden in 1990. In 2014 and 2015 he hosted the TV show "Med Monsen på villspor." https://no.wikipedia.org/wiki/Trond_Str%C3%B8mdahl