Ryan has been receiving loads of lovely letters and cards from children over the past few weeks. Dr. Sandra Collins is the director of the National Library of Ireland and joined Ryan on the line to tell him why they should be held for posterity in the National Library.
Armando Iannucci is the man behind 'The Thick Of It', 'Veep' and 'The Death Of Stalin'. His new film is an adaptation of the novel 'David Copperfield' and Armando spoke to Ryan about bringing his typically comedy chops to a Charles Dickens' classic.
Commander Chris Hadfield was the first Canadian to walk in space. He's a former Air Force fighter pilot and has undertaken three space shuttle missions. He joined Ryan in studio to talk about his fascinating life and career.