Malcolm K. Johnson has researched the history of the Kings Own Yorkshire Light Infantry (KOYLI) for over thirty years. In two published works he explored the experiences of a Volunteer battalion, and its Territorial battalions, who were ill-prepared for the industrialised warfare of 19141918. A third book examined the social effect of that war on an ordinary Yorkshire family. He has published a photographic history of KOYLI, 1857-1968, and the final volume of the Regiments History, 1945-1968. He has an MA degree from the University of Birmingham in First World War Studies.