The school boasts a remarkably diverse list of postwar alumni: clothing designer Hardy Amies; the disgraced historian David Irving; TV presenter Noel Edmonds; Home Secretary Jack Straw; and London Times editor Peter Stothard were all there before Adams, while comedians Griff Rhys Jones and Keith Allen were a few years behind him. There are four alumni—two Labour and two Conservative—in the current House of Commons. In a scene that now seems rather incongruous in the light of Keith Allen’s hard-living image, it was Adams who helped the seven-year-old Allen with his piano lessons.

When Adams was thirteen, his mother remarried and moved to Dorset, and Adams changed from being a “day boy” at the school to a boarder. It appears to have been an entirely beneficial experience. “Whenever I left school at four in the afternoon, I always used to look at what the boarders were doing rather wistfully,” he says. “They seemed to be having a good time, and in fact I thoroughly enjoyed boarding. There is a piece of me that likes to fondly imagine my maverick and rebellious nature. But more accurately I like to have a nice and cosy institution that I can rub up against a little bit. There is nothing better than a few constraints you can comfortably kick against.”

Adams ascribes the quality of his education to being taught by some “very good, committed, obsessed and charismatic people.” At a recent party in London he confronted Jack Straw on New Labour’s apparent antipathy to direct-grant schools, on the basis that it had done neither of them much harm.

Frank Halford was a master at the school and remembers Adams as “very tall even then, and popular. He wrote an end-of-term play when Doctor Who had just started on television. He called it ‘Doctor Which.’ ” Many years later, Adams did write scripts for Doctor Who. He describes Halford as an inspirational teacher who is still a support. “He once gave me ten out of ten for a story, which was the only time he did throughout his long school career. And even now, when I have a dark night of the soul as a writer and think that I can’t do this anymore, the thing that I reach for is not the fact that I have had best-sellers or huge advances. It is the fact that Frank Halford once gave me ten out of ten, and at some fundamental level I must be able to do it.”