Leo van Bergen is a medical historian mainly interested in colonial medicine and war and medicine. He has written extensively on these subjects, including a medical history of the First World War, Before my Helpless Sight (2009).Eric Vermetten is a military psychiatrist and professor of psychotrauma. His work is pioneering in the field of medical psychotraumatology: the role of stress, trauma, complex PTSD and neuroscience. He is interested in historical basis of psychotrauma research as a foundation for current approaches to treatment.

Leo van Bergen is a medical historian mainly interested in colonial medicine and war and medicine. He has written extensively on these subjects, including a medical history of the First World War, Before my Helpless Sight (2009).Eric Vermetten is a military psychiatrist and professor of psychotrauma. His work is pioneering in the field of medical psychotraumatology: the role of stress, trauma, complex PTSD and neuroscience. He is interested in historical basis of psychotrauma research as a foundation for current approaches to treatment.

Leo van Bergen is a medical historian mainly interested in colonial medicine and war and medicine. He has written extensively on these subjects, including a medical history of the First World War, Before my Helpless Sight (2009).Eric Vermetten is a military psychiatrist and professor of psychotrauma. His work is pioneering in the field of medical psychotraumatology: the role of stress, trauma, complex PTSD and neuroscience. He is interested in historical basis of psychotrauma research as a foundation for current approaches to treatment.