Philip Haythornthwaite is an author and historical consultant specialising in the military history, uniforms and equipment of the 18th and 19th centuries. His main area of research covers the Napoleonic Wars. He has written some 40 books, including more than 20 Osprey titles, and innumerable articles and papers on military history - but still finds time to indulge in his other great passion, cricket. Bill Younghusband was born in 1936. He has been interested in all things military since childhood, an interest compounded through the reading of authors such as G.A. Henty. In 1954 he joined the Life Guards and saw service in Egypt and Cyprus. Bill is a respected military illustrator of many years' experience, and has illustrated numerous Osprey books on 18th and 19th-century subjects. He is married, and lives in Ireland.