Lawrence Paterson has spent many years researching aspects of German naval operations and has written more than ten books on various aspects of the Kreigsmarine, including Donitz's Last Gamble, Black Flag, Schnellboote and, most recently, Hitler's Forgotten Flotillas, a study of the Kriegsmarine's security forces, all published by Seaforth.

Edouard Groult grew up inspired by watching historical documentaries with his father and developed a fascination for historical and fantasy art. Following art studies in both Paris and Belgium he worked as a concept artist in the videogame industry and in recent years has also undertaken historical commissions while working as a freelancer for historical magazines. He lives and works in Oxford, UK.