Dr Robert N. Watt is a lecturer in the Department of Political Science and International Studies (POLSIS) at the University of Birmingham, UK. His main area of research is into the Apache Wars of 1860-1886, with particular reference to the Victorio Campaign of 1879-1881.

He has made numerous archive and field trips to the USA and has visited most of the areas where the Victorio Campaign took place - including Tres Castillos in Northern Mexico, where Victorio was killed in October 1880. He has published articles on Victorio, the Apaches and the US Army in Small Wars & Insurgencies, The New Mexico Historical Review, War in History, Southwestern Historical Quarterly and The Journal of Military History.

This article was awarded a Moncado Prize in 2017 by the Society for Military History. He has also published two books with Osprey on the 'Apache Warrior' and 'Apache Tactics' and taught a module on American Indian Wars for the History Department, the University of Birmingham. He has also published an article on the Red Army in the Second World War and has lectured on Soviet Deep Battle/Operations for a module in the same department.

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 subjects as diverse as the Aztecs, the Ancient Greeks, Roman battle tactics, several 19th-century American subjects, the modern Chinese Army, and a number of books in the Fortress series.

His work features in exhibitions and publications throughout the world. He lives in East Sussex, UK.