| Helio de Oliveira e Silva|
May 25, 1926 (age 89) (1926-05-25) Brazil
Hélio Silva Wikipedia
Hélio de Oliveira e Silva (born May 25, 1926) is a former Olympic backstroke swimmer from Brazil, who participated at one Summer Olympics for his native country.
At the 1948 Summer Olympics in London, he swam the 100-metre backstroke, reaching the semifinals.