John Jarvis.
Jarvis was Great Britain's first Olympic gold medalist in swimming, winning the men's 1000 meter event and 4000 meter event at the 1900 Games in Paris. He was also a member of Great Britain's Water Polo team that won gold in 1900.
Gillian Sheen was the first and only British woman to win a gold medal in Olympic fencing. She did it in 1956, at the age of 28, in the Individual Women's Foil event.
Ford
Australian. Fanny Durack of Australia won the first women's gold medal in swimming at the 1912 Games in Stockholm.
That was Teofilo Yldefonso who won a bronze medal in men's 200 meter breaststroke swimming at the 1928 Games in Amsterdam.
The first British pole vaulter to win an Olympic medal was Dorothy Tyler in the 1936 Olympics. She won a silver medal in the women's pole vault event.
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Adlington
Johnny Weissmuller won an olympic swimming gold medal
Nigeria won her first Olympic gold medal in 1876
No, he is an 8 time olympic gold medal winner in swimming
she won her first olympic medal in 1973
Launceston Elliot-1896 single handed weight lift