Ron Field was born in 1943. A history teacher for over 30 years, he was awarded the Fulbright Scholarship in 1982 and taught at Piedmont High School in California from 1982–83. He has traveled extensively in the United States conducting research at numerous libraries, archives and museums and has written numerous books on 19th-century American history.Adam Hook studied graphic design and began his work as an illustrator in 1983. He specializes in detailed historical reconstructions and has illustrated Osprey titles on the Aztecs, the Greeks, the American Civil War and the American Revolution, as well as several Fortress books on medieval military architecture. His work features in exhibitions and publications throughout the world.