A major retrospective of the British documentary film movement during its period of greatest influence; before, during and after the Second World War. These diverse and compelling films are fascinating historical documents, bearing witness to the social and industrial transformations of the rapidly changing world. Striking in their different approach to the form, using poetry, dramatic reconstruction and explicit propaganda, the film-makers found fresh, new ways to get their message across. find out more...

The lack of accuracy in the calculation of longitude had caused the death of countless sailors. In 1714 Parliament, worried by the loss of British ships and mindful to the military advantage of knowing where one was at sea, offered a £20,000 prize to anyone who could accurately measure longitude. This is the story of John Harrison, a brilliant carpenter, whose timepieces solved the problem that had long defeated the scientists, it was a hard fought victory and Harrison was forced to endure pover find out more...