Kjell Gunnar Isaksson is a retired pole vaulter from Sweden, who broke the world record several times in 1972. Kjell Isaksson (Sweden) set the men's pole vault world record of 5.55 m in Helsingborg, Sweden on June 12, 1972. It stood 20 days, until Bob Seagren's 5.63 m on July 2, 1972. Wiki link