Welles was 25 when he made Citizen Kane
Warne was 23 when he bowled the Gatting ball.
Richards and Jagger were both 21 when they wrote Satisfaction
Maradona was 25 when he won the '86 world cup
Yeager was 24 when he broke the sound barrier
McCartney was 27 when the Beatles split up
So, who else spent their mid-twenties driving a taxi?