IT was meant to go down in TV history as John Humphrys’ last hurrah as Mastermind host. Instead, it will be remembered as the night a young Glaswegian stunned the UK with an accent that made Bertie Wooster sound like Rab C. In another, more significant achievement, Jonathan Gibson, a 24-year-old studying for a PhD in Modern History at St Andrews, was crowned the youngest ever Mastermind champion in the quiz show’s 49-year-run. In a short introductory film before he took his place in the famous black chair, Mr Gibson explained: “I was born and brought up in Glasgow despite the evidence of my very confusing accent. No-one in my family understands why I speak like this.