Claim: Evert Karlsson was a Swedish ski jumper who finished eleventh in the normal hill event at the 1948 Winter Olympics and later on won the 23rd at the 1954 World Ski Championships, which took place in February 1954 in Sweden.
Evidence: Evert Gotthardt Karlsson (4 August 1920 – 23 May 1996) was a Swedish ski jumper who finished eleventh in the normal hill event at the 1948 Winter Olympics. He won the 1949 Swedish championships, and finished 11th at the 1950 World Ski Championships and 23rd at the 1954 World Ski Championships. The FIS Nordic World Ski Championships 1954 took place February 13-21, 1954 in Falun, Sweden.