Gavin Mortimer is a best-selling writer, historian and TV consultant whose versatile narrative non-fiction books have been published in Britain and the United States. Gavin is the leading authority on WW2 special forces having interviewed over 100 veterans, and his next work, to be published in 2020 and 2021, is a two-volume battlefield guide to SAS operations in France in 1944.

Johnny Shumate began his career in 1987 after graduating from Austin Peay State University, and now works as a freelance illustrator. Most of his work is rendered in Adobe Photoshop using a Cintiq monitor. His greatest influences are Angus McBride, Don Troiani and Edouard Detaille. He lives in Tennessee.

Peter Dennis was born in 1950. Inspired by contemporary magazines such as Look and Learn he studied Illustration at Liverpool Art College.

Peter has since contributed to hundreds of books, predominantly on historical subjects, including many Osprey titles. A keen wargamer and modelmaker, he is based in Nottinghamshire, UK.

Born in Malaya in 1949, Alan Gilliland studied photography/film and architecture, and spent 18 years as the graphics editor of The Daily Telegraph. He now writes, illustrates and publishes fiction as well as illustrating for a variety of publishers. He lives in Lincolnshire, UK.