Sue Lawley's castaway this morning is the military historian John Keegan. As a boy, he would listen to his father's tales of war on the Western Front. Disabled because of a childhood illness, he was unable to become a soldier himself, and so chose to document their history instead. [Taken from the original programme material for this archive edition of Desert Island Discs] Favourite track: An die Musik by Franz Schubert Book: The Thirty-Nine Steps by John Buchan Luxury: French-speaking man robot