David Fletcher MBE has written a number of books and articles on military subjects and, until his retirement, was the historian at the Tank Museum, Bovington, UK. He has spent over 40 years studying the development of British armoured vehicles during the two World Wars.
Henry Morshead is a design consultant in the European automotive and aerospace sectors, with clients including Jaguar, Bentley, Citroën and Airbus. He is also a technical sponsor of the Bloodhound supersonic car, a former officer in the Royal Engineers and illustrator for Jane's.