Mark R Henry is a lifelong student of military history and an experienced re-enactor of many periods. He served in the US Army as a signals officer from 1981-90, in Germany, Texas and Korea. He holds a BA degree in History and is currently working for his Master's. He has previously written Men-at-Arms 327: US Marine Corps in World War I.

Mike Chappell comes from an Aldershot family with British Army connections stretching back several generations. He enlisted as a teenage private in the Royal Hampshire Regiment in 1952 and retired in 1974, as RSM of the 1st Battalion The Wessex Regiment (Rifle Volunteers), after seeing service in Malaya, Cyprus, Swaziland, Libya, Germany, Ulster and home garrisons. He began painting military subjects in 1968 and since then has gained worldwide popularity as a military illustrator. Mike has also written and illustrated many books in the Osprey Military list.
MIKE CHAPPELL comes from an Aldershot family with British Army connections stretching back several generations. He enlisted as a teenage private in the Royal Hampshire Regiment in 1952 and retired in 1974, as RSM of the 1st Battalion The Wessex Regiment (Rifle Volunteers), after seeing service in Malaya, Cyprus, Swaziland, Libya, Germany, Ulster and home garrisons. He began painting military subjects in 1968 and has gained worldwide popularity as a military illustrator. Mike has written and illustrated many books for Osprey.