Peter Rubin, chair of the General Medical Council, tells Denis Campbell why he is determined to broaden the social intake of the profession – and make all doctors face a rigorous annual test to prove they are fit to practiceMedicine, like many of the professions, often runs in the family. Unusual, then, to find one of the key members of the medical establishment recalling his father's past as a Blitz firefighter turned illicit bookmaker. "My dad, Woolf, had no skill, no trade," says Peter Rubin, the chair of the General Medical Council, which regulates the UK's 185,000 practising doctors. "He had drifted during his teenage years and beyond, and the only thing he knew how to do was gamble – ...