Kammala jumla mai zuwa: Karl Bengt Rask (an haife shi a 28 ga Afrilu 1928) ɗan wasan Sweden ne mai ritaya wanda ya lashe lambar tagulla a lambar yabo ta 200 m breaststroke a gasar Olympics ta Duniya.
1950 Gasar Wasannin Ruwa ta Turai. Shekaru biyu bayan haka ya yi gasa a cikin wannan taron a wasannin Olympics na 1952 amma an cire shi a cikin wasan farko.