Swede H�kan Gustavsson has researched the use of biplane fighters in World War 2 for many years. He has been in contact with numerous pilot veterans, and their families, over the past two decades, unearthing first-hand accounts and other invaluable material relating to their often forgotten wartime exploits. Ludovico Slongo is a promising aviation historian based in the Italian city of Padova. He has been researching the history of military aviation during the World War 2 for more than 15 years, focusing on the Italian Regia Aeronautica.