Genius of Britain. Part 5.

The last in a five-part series which looks at Britain's great scientists and inventors who have created the modern world. Throughout the series, some of Britain's leading scientific figures tell the stories of the people behind these innovations. In this part the focus is on the last 50 years and expectations for the future of scientific innovation. Richard Dawkins and Olivia Judson reveal the story of Rosalind Franklin's work in crystallography which helped Crick and Watson to discover the double helix structure of DNA. Jim Al-Khalili looks at the career of astronomer Fred Hoyle who coined the term 'big bang.' James Dyson looks at the discovery of nanotubes. Stephen Hawking and Richard Dawkins ponder the possibility of there being life on other planets and question why people believe in God.