Sporting Witness

The Scottish sprinter Eric Liddell, is famous for refusing to run on a Sunday in the Paris Olympics of 1924.But, as depicted in the film Chariots of Fire, he went on to win Gold in a different event - the 400 metres.After the Olympics, Eric Liddell became a Christian missionary in China, where he died in an internment camp during World War II.Sporting Witness tells the extraordinary story of Eric Liddell's life using archive material and an interview with Steve Metcalf, a survivor from the camp.PHOTO: Getty Images

The Romanian gymnast, Nadia Comaneci, recalls how in 1976 at 14 years old she achieved a 'perfect 10' - a perfect score from all the judges - for the uneven bars at the Montreal Olympics. This was the first time this had happened at any Olympics games. She went on to become a worldwide star and a heroine in communist Romania. Nadia talks about how she was discovered by her coaches Bela and Marta Karolyi.Presented by Madeleine Morris. This programme first broadcast in July 2011. Picture: AFP/Getty Images