Owen Rees is Associate Lecturer in Ancient History at Manchester Metropolitan University in the UK. An ancient Greek historian with a recognized expertise in the historiographical debate surrounding ancient post-traumatic stress disorder, he has published widely on ancient Greek socio-military history and the medical humanities.

Kathryn Hurlock is Reader in Medieval History at Manchester Metropolitan University in the UK. She is co-ordinator of the Returning Soldier Network, a collaborative network examining the figure of the returning soldier or veteran from the ancient world to the modern day. Kathryn has published widely on the crusades, including two monographs on aspects of British crusading.

Jason Crowley is Senior Lecturer in Ancient History at Manchester Metropolitan University in the UK, where he specialises in the psychology of combat and combat motivations. As a comparative historian, he works with theories and evidence generated by the experience of modern warfare, but his main focus is on the citizens of Classical Athens who served as hoplites, heavy-infantrymen, during the wars of the fifth and fourth centuries BC.