Alejandro de Quesada is a Florida-based military history writer, an experienced researcher, and collector of militaria, photos, and documents. He runs an archive and historical consultancy for museums and films as a secondary business. Alejandro has written over 100 articles and over 25 books, including several for Osprey.

Stephen Walsh studied Art at the North East Wales Institute and has worked as a professional illustrator since 1988. Since then he has illustrated a variety of books and games including the Settlers of Catan. His projects for Osprey include such diverse subjects as the battle of Otterburn, the Chinese army from 1937 to 1949 and the US Home Front in World War II. He is married with two children and lives in Macclesfield.
Stephen Walsh studied art at the North East Wales Institute and has worked as a professional illustrator since 1988. Since then he has illustrated a variety of books and games including Settlers of Catan. His projects for Osprey include such diverse subjects as the battle of Otterburn, the Chinese army from 1937 to 1949, and the US Home Front in World War II.