Ron Field is an internationally acknowledged expert on US military history. Awarded a Fulbright Scholarship in 1982, he taught History at Piedmont High School in California from 1982 to 1983, and was then Head of History at the Cotswold School in Bourton-on-the-Water, UK, until his retirement in 2007. In 2005 he was elected a Fellow of the Company of Military Historians, based in Washington, DC, and was awarded its Emerson Writing Award in 2013.
Howard Gerrard studied at the Wallasey School of Art and has been a freelance designer and illustrator for over 20 years. He has worked for a number of publishers and is an associate member of the Guild of Aviation Artists. He has won both the Society of British Aerospace Companies Award and the Wilkinson Sword Trophy and has illustrated a number of books for Osprey including Campaign 69: Nagashino 1575 and Campaign 72: Jutland 1916. Howard lives and works in Kent.
Peter Bull graduated from art college in 1979 and has worked as a freelance illustrator for over 25 years. He has created both traditional and digital art for publishers worldwide, and also runs the Peter Bull Art Studio, based in Kent, UK, which he founded in 1975.
Tony Bryan is a freelance illustrator of many years' experience who lives and works in Dorset. He initially qualified in Engineering and worked for a number of years in Military Research and Development, and has a keen interest in military hardware – armour, small arms, aircraft and ships. Tony has produced many illustrations for partworks, magazines and books, including a number of titles in the New Vanguard series.