Please enable it in your browser's preferences.
You can visit our support center if you're having problems.
Please try one of our supported browsers.
Please check your internet connection and refresh the page. You might also try disabling any ad blockers.
Ritula Shah spoke to Wade Davis, author of 'Into the Silence: The Great War, Mallory and the Conquest of Everest', shortly after he heard he was the winner of The Samuel Johnson Prize for Non-Fiction. #BBC, #Radio4, #RitulaShah, #WorldTonight