In our latest edition of Battleground '44 Patrick turns to the world of espionage, looking at the extraordinary story of British MI6 agent of Wilfred Biffy Dunderdale. To help Patrick he speaks to his Biographer Tim Spicer who tells his story of the complicated intrigues of the world of intelligence, and the remarkable achievements he managed to achieve in the Second World War. If you have any thoughts or questions, you can send them to - podbattleground@gmail.com Producer: James Hodgson X (Twitter): @PodBattleground Learn more about your ad choices. Visit podcastchoices.com/adchoices