Dan talks to Christopher Andrew about the history of intelligence from Moses to the present day.
Nicholas Crane is a geographer, explorer, writer and broadcaster. He has written and presented four notable television series for BBC Two: Coast, Great British Journeys, Map Man and Town. The Making Of The British Landscape: From the Ice Age to the Present is out now.
Greg Jenner, the history brains behind Horrible Histories, joins Dan on the podcast to talk about 'You're Dead to Me', his new podcast, and his new book, about the history of celebrity.
Dan talks to Matthew Carr about the history of the Pyrenees, a mountainous frontier that has seen conflict and co-operation from Roman times until the present day.