Gregory Fremont-Barnes holds a doctorate in Modern History from the University of Oxford and serves as a Senior Lecturer in the Department of War Studies at the Royal Military Academy, Sandhurst. A prolific author, his books include Waterloo 1815: The British Army's Day of Destiny and many others on military and naval subjects covering the 18th to the 21st centuries. Holding a particular interest in insurgency and counterinsurgency, his wider work for the UK Ministry of Defence on these subjects regularly takes him to Africa, the Middle East and South America. As an academic advisor, Dr Fremont-Barnes has accompanied many groups of British Army officers and senior NCOs in their visits to numerous battlefields of the Peninsular War, the Waterloo campaign, Normandy and the Falklands.

Adam Hook studied graphic design, and began his work as an illustrator in 1983. He specializes in detailed historical reconstructions, and has illustrated Osprey titles on the Aztecs, the Greeks, the American Civil War and the American Revolution. His work features in exhibitions and publications throughout the world.
Gregory Fremont-Barnes holds a doctorate in Modern History from the University of Oxford. As a Senior Lecturer in the Department of War Studies at the Royal Military Academy, Sandhurst, he has written extensively on a range of subjects covering military affairs since the 18th century. In addition to teaching cadets, he travels widely for the Ministry of Defence, running courses for foreign military and intelligence officers, and spent two years in Afghanistan on Operation Toral.
Seán Ó'Brógáin lives and works in Donegal, Ireland. He has a BA (Hons) in Scientific and Natural History illustration from Lancaster University, and has worked for a wide range of clients. In addition to his stunning work for Osprey Publishing, he has collaborated with the University of Manchester, An Post, the National Museum of Ireland, the Irish Office of Public Works and a variety of media companies, museums, councils and private individuals.