Alastair Fraser is a founder member of the archaeology group No Man's Land. He has worked as researcher and participant in a number of Great War documentaries. Steve Roberts is a retired police officer and an ex-regular soldier. He specialises in researching individuals who served during the war and is also a founder member of No Man's Land. Andrew Robertshaw frequently appears on television as a commentator on battlefield archaeology and the soldier in history, and he has coordinated the work of No Man's Land. His publications include Somme 1 July 1916: Tragedy and Triumph, Digging the Trenches (with David Kenyon) and The Platoon.