Frank Kent Foss was an American pole vaulter. He won a gold medal at the 1920 Summer Olympics, while breaking his own unofficial world record. Frank Foss (United States) set the men's pole vault world record of 4.09 m in Antwerp, Belgium on August 20, 1920. It stood 2.1 years, until Charles Hoff's 4.12 m on September 22, 1922. Wiki link