Does 1957 Intl Geophysical Year 2007 presage Intl Polar Year? [audio 60min]

It is a story of courage, sacrifice, rivalries and friendships, but 50 years after the first triumphant crossing of Antarctica, the story of the Trans-Antarctic Expedition is nearly forgotten. Set against the scientific frenzy of the International Geophysical Year of 1957, which saw the launch of the space age, Adam Fowler tracks down the survivors of the last great journey on Earth and asks what legacy they have left. As science communities across the world prepare for the International Polar Year in 2007, he asks what lessons we have learned in the last 50 years.