David Greentree was born in Portsmouth in 1970. He attended Portsmouth Grammar School, where he developed an interest in military history. He studied for a BA in History at York before taking an MA in War Studies at King's College London and qualifying as a lecturer in Further Education at Cardiff. In 1995 he accepted a commission into the Royal Air Force, and has since served in a variety of locations, including Afghanistan. He has written several books for Osprey, focusing on British military history and World War II.Gerry Embleton has been a leading illustrator and researcher of historical costume since the 1970s. He is an internationally respected authority on 15th and 18th century costumes in particular. He lives in Switzerland, where since 1988 he has also become well known for designing and creating life-size historical figures for museums.Sam Embleton has illustrated several books for Osprey.