If the polymathic Bamber Gascoigne was ever irked by the fact that he was best known to the British public for the phrase: “Fingers on buzzers … your starter for 10,” he never showed it. More than 30 years after his retirement as the quizmaster on University Challenge – a post he had held for a quarter of a century between 1962 and 1987 – the phrase still dogged his footsteps, despite everything...