Captain Graeme Chamley Wynne was born in 1889. He was commissioned into the King’s Own Yorkshire Light Infantry in 1907. Climbing through the ranks, he was serving in the 2nd Battalion at the outbreak of war in 1914. As part of the British Expeditionary Force he was captured by the Germans at Le Cateau on 26 August 1914. Wynne was employed by the Historical Section, Committee of Imperial Defence (later the Historical Section, Cabinet Office) between 1918 and 1956. It was in this role that he completed the report published in this book on 19 May 1948.

Martin Mace has been involved in writing and publishing military history for more than twenty-five years. He began his career with local history, writing a book on the Second World War anti-invasion defences and stop lines in West Sussex. Following the success of this book, he established Historic Military Press, which has published a wide range of titles. In 2006 he began working on the idea for Britain at War Magazine, the first issue of which went on sale in May 2007. This publication has grown rapidly to become the best-selling military history periodical on the high street. Martin now devotes his time to writing and editing books.