Much of his wealth seems to have been spent fuelling his passion for technology, but he has never really been the nerdy science-fiction type. He is relaxed, gregarious, and a solidly built two meters tall. In fact, he has more the air of those English public-school boys who became rock stars in the 1970s; he once did play guitar on stage at Earls Court with his mates Pink Floyd. In a nicely flash touch, instead of producing a passport-size photo of his daughter out of his wallet, he opens up his impressively powerful laptop, where, after a bit of fiddling about, Polly Adams, aged five, appears in a pop video spoof featuring a cameo appearance by another mate, John Cleese.

So this is what his life turned into; money, A-list friends, and nice toys. Looking at the bare facts of his CV—boarding school, Cambridge Footlights, and the BBC—it seems at first sight no surprise. But his has not been an entirely straightforward journey along well-worn establishment tracks.

Douglas Noel Adams was born in Cambridge in 1952. One of his many stock gags is that he was DNA in Cambridge nine months before Crick and Watson made their discovery. His mother, Janet, was a nurse at Addenbrooke’s Hospital, and his father, Christopher, had been a teacher who went on to become a postgraduate theology student, a probation officer, and finally a management consultant, which was “a very, very peculiar move,” claims Adams. “Anyone who knew my father will tell you that management was not something he knew very much about.”

The family were “fairly hard up” and left Cambridge six months after Douglas was born to live in various homes on the fringes of East London. When Adams was five, his parents divorced. “It’s amazing the degree to which children treat their own lives as normal,” he says. “But of course it was difficult. My parents divorced when it wasn’t remotely as common as it is now, and to be honest I have scant memory of anything before I was five. I don’t think it was a great time, one way or another.”

After the breakup, Douglas and his younger sister went with their mother to Brentwood in Essex, where she ran a hostel for sick animals. He saw his by now comparatively wealthy father at weekends, and these visits became a source of confusion and tension. To add to the complications, several step-siblings emerged as his parents remarried. Adams has said that while he accepted all this as normal on one level, he did “behave oddly as a result,” and remembers himself as a twitchy and somewhat strange child. For a time his teachers thought he was educationally subnormal, but by the time he went to the direct-grant Brentwood Prep School, he was regarded as extremely bright.