In 1988, Dave Thomas was an unemployed plumber in Gloucester with a seemingly impossible dream: to enter the world of fashion. He moved to London, worked weekends as a caf dishwasher and evenings as a toilet attendant in a West End nightclub, and in every spare moment he hammered on the doors of fashion editors until one of them finally opened a tiny crack. Thomas seized the chance to be an unpaid dogsbody at Riva magazine, where he...