Dr Stephen A Hart is senior lecturer in the War Studies department, at the Royal Military Academy, Sandhurst. Prior to this he lectured in the International Studies Department at the University of Surrey, and in the War Studies Department, King's College London. He is the author of several popular histories of aspects of the German Army in the Second World War. Jim Laurier is a native of New Hampshire. He graduated with honours from the Paiers School of Art, Connecticut, in 1978 and has worked as a freelance illustrator ever since, completing assignments in a wide variety of fields. Jim has a keen interest in military subjects, both aviation and armour, and is a Fellow member of the American Society of Aviation Artists.