And what's happened to Neil? A happy child in 7 Up, he was, by age 28, wandering lonely and homeless in the Highlands. He surprised viewers when, in 42 Up, he was rediscovered working as a Liberal Democrat councillor in Hackney. The once-homeless man hoped to win a seat in parliament. Has he succeeded? Has he still got a roof over his head?
Captions: 1964 - Neil at 7; 1971- Neil at 14; 1978 - Neil at 21; 1985 - Neil at 28; 1992 - Neil at 35; 1999 - Neil at 42; 2006 - Neil at 49; All photos courtesy of First Run Features