No, she was a tennis player.
Matthew Dumont is the worlds best tennis player under 13's since 2006
The worlds youngest teacher is zero.
Althea Gibson was a champion tennis player. In 1956 she won the French Open in both singles and doubles. Gibson became the leading women's tennis player in the world. In 1957 and 1958 she won both the Wimbledon and U.S. National singles titles, becoming the first African American to win a Wimbledon singles title. After she won the 1958 titles, she retired from tennis and played professional golf. She was elected to the International Tennis Hall of Fame in 1971.
The youngest ever was 5 and the oldest was 90.
Wayne roony (oldest) youngest ( cristiano ronalfo)
Possibly Mark Zuckerburg