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.
Richard C Harley was born in 1953. He has spent over 35 years modelling, drawing and researching British military vehicles and has written and illustrated many articles for the enthusiasts' journals Tankette, Centurion and AFV News. He has studied the Cromwell tank family for over 25 years.
Peter Sarson has produced graphic cutaways for many armoured vehicle publications and is regarded as one of the world's great illustrators of military vehicles.