In 1957, Britain exploded its first megaton hydrogen bomb - codenamed Operation Grapple X. It was the culmination of an extraordinary scientific project, which against almost insuperable odds turned Britain into a nuclear superpower. This is the inside story of how Britain got 'the bomb'.

A Storyville documentary that profiles J Robert Oppenheimer, controversial father of the atomic bomb, mixing interviews with scholars and former colleagues with dramatic recreations.