Dr Simon Grennan is research fellow at the University of Chester, a performance artist as part of the international duo Grennan & Sperandio and author of the graphic novelDispossession. His colleague at University of Chester is lecturerDr Julian Waite, who is a performer and visual artist specialising in street theatre.Professor Roger Sabinis Professor of Popular Culture at the University of the Arts, Central Saint Martins, and the author of many books about comics. They have collaborated as a team on the Marie Duval Archive,a partnership project of Chester University, Central Saint Martins University of the Arts London and Guildhall Library.