(FINANCIAL TIMES) - Femi was 21 years old when he was pulled over for speeding in Colindale, London; the police charged him with a cannabis offence. It was one of several brushes with the law.

But Femi changed. As Christian Jarrett writes in Be Who You Want: "Femi, or to use his full name, Anthony Oluwafemi Olaseni Joshua OBE, became an Olympic gold medallist and the two-time heavyweight boxing champion of the world, heralded as an impeccable role model of clean living and good manners."