Mark Lardas holds a degree in Naval Architecture and Marine Engineering, but spent his early career at the Johnson Space Center doing Space Shuttle structural analysis, and space navigation.

An amateur historian and a long-time ship modeller, Mark Lardas is currently working in League City, Texas. He has written extensively about modelling as well as naval, maritime, and military history.

Graham Turner is a leading historical artist, specializing in the medieval period. He has illustrated numerous titles for Osprey, covering a wide variety of subjects from the dress of the 10th-century armies of the Caliphates, through the action of bloody medieval battles, to the daily life of the British Redcoat of the late 18th century. The son of the illustrator Michael Turner, Graham lives and works in Buckinghamshire, UK.