A resident of Leesburg, Virginia, Jon Guttman is research director for Historynet.com. Specialising in World War 1 aviation, he has written numerous titles in the past including the popular Balloon Busting Aces of World War I in Osprey’s Aircraft of the Aces series. Harry Dempsey has been passionate about World War I aviation for over 30 years, having produced the most technically accurate artwork on the subject.Jim Laurier attended Paier School of Art in Hamden, Connecticut, graduated with honours, and has been working professionally in the field of Fine Art and Illustration for decades. He has been commissioned to paint for the US Air Force and has aviation paintings on permanent display at the Pentagon.