Gregg Adams earned a doctorate in physics in 1983 from the University of Missouri-Rolla. He is the author of several Osprey books including King’s African Rifles Soldier vs Schutztruppe Soldier and US Marine vs German Soldier. He lives in Missouri, USA. Johnny Shumate works as an illustrator in Tennessee. His greatest influences are Angus McBride, Don Troiani and Édouard Detaille.