In autumn 2008, Matt Knott was at a loose end. After graduating from Cambridge, he was back living with his teacher-parents in Dorset. His plan to write “a heartwarming comedy set in the fictional town of Piddle Newton” wasn’t going well. And the global economy had just collapsed.
So when he heard you could earn £30 an hour tutoring rich people’s children in London, he joined an agency there run by a woman called Philippa. Before long, he’d entered
