David Nicolle is Visiting Research Fellow at the Institute of Medieval Studies, Nottingham University. He is the author of numerous books on aspects of medieval military history, including many for Osprey.Gerry Embleton has been a leading historical illustrator since the early 1970s, specialising in the medieval period, but has a keen interest in the 18th, 19th and 20th centuries. An illustrator, and author, of a number of Osprey titles, he now lives in Switzerland.