Norwegian skier who received three Olympic precious metal medals, successful in the cross-country 18 km as well as the Nordic mixed events. He 1st joined the Olympics in 1924 where he required two bronzes and a metallic. He received three platinum medals in Globe Championship events to create for a complete of six platinum medals in International Competition. He was the child of Einar and Bjarte Grottumsbraten. He competed in the 1924 Olympics where skater Sonja Henie produced her debut at only 11 years.