While much of the Roman Empire was lost during the rule of Gallienus, We don’t really know how much of that is his fault, or really get a sense of his reign. Was he responsible for the loss of territory, or was he just a victim of the time? Part IV of ‘Gallienus’ Guest: Associate Professor Caillan Davenport (Head of the Centre for Classical Studies at the Australian National University). Support production of a new series of the When in Rome podcast on Kickstarter.