He has won five Olympic gold medals , the most won by any Australian , and in 2001 he became the first person to win six gold medals in one World Championship .
He is the only swimmer who has won six gold medals in one World Championship .
He is the only swimmer who has won six gold medals in one World Championship .
Haz que esto sea más fácil de entender: He has won five Olympic gold medals , the most won by any Australian , and in 2001 he became the first person to win six gold medals in one World Championship . Producción: