Rene Chartrand was born in Montreal and educated in Canada, the United States and the Bahamas. A senior curator with Canada's National Historic Sites for nearly three decades, he is now a freelance writer and historical consultant. He has written numerous articles and books including over 30 Osprey titles. He lives in Gatineau, Quebec, with his wife and two sons.
Brian Delf began his career working in a London art studio producing artwork for advertising and commercial publications. Since 1972, he has worked as a freelance illustrator on a variety of subjects including natural history, architecture and technical cutaways. His illlustrations have been published in over thirty countries. Brian lives and works in Oxfordshire, UK.