Karl Bertil Karlsson is a Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 athlete who competed at the 1952 Summer Olympics

1952 Summer Olympics

The 1952 Summer Olympics, officially known as the Games of the XV Olympiad, were an international multi-sport event held in Helsinki, Finland in 1952. Helsinki had been earlier given the 1940 Summer Olympics, which were cancelled due to World War II...

 in Helsinki

Helsinki

Helsinki is the capital and largest city in Finland. It is in the region of Uusimaa, located in southern Finland, on the shore of the Gulf of Finland, an arm of the Baltic Sea. The population of the city of Helsinki is , making it by far the most populous municipality in Finland. Helsinki is...

. He finished 13th in the men's 10,000 metres

Athletics at the 1952 Summer Olympics – Men's 10,000 metres

The men's 10,000 metres event at the 1952 Olympic Games took place July 20. The final was won by Czechoslovakian Emil Zátopek.-Final:Key: DNF = Did not finish, OR = Olympic record-References:...

 event and was eliminated in the heats of the men's 5000 metres

Athletics at the 1952 Summer Olympics – Men's 5000 metres

The men's 5000 metres event at the 1952 Olympic Games took place July 22 and July 24. The final was won by Czechoslovakian Emil Zátopek.-Final:Key: DNF = Did not finish, OR = Olympic record-References:...

. He was born in Uppsala

Uppsala

- Economy :Today Uppsala is well established in medical research and recognized for its leading position in biotechnology.*Abbott Medical Optics *GE Healthcare*Pfizer *Phadia, an offshoot of Pharmacia*Fresenius*Q-Med...

and competed out of IF Linnéa. He was the Swedish champion in the 4,000 metre cross-country in 1949, the 5000 metre distance in 1950, and the 10,000 metre distance in 1952.