Bror Sture Ragnvald Grahn (24 May 1932 â 14 August 2024) was a Swedish cross-country skier. He finished tenth in the 50 km event at the 1956 Winter Olympics and won gold medals in the 4 à10 km relay at the 1958 and 1962 World Championships. His wife Barbro Martinsson also competed in cross-country skiing at the 1956 Olympics. Grahn died on 14 August 2024, at the age of 92.