Konstantin Nossov is a researcher and advisor on ancient and medieval arms, armour and warfare, as well as the author of numerous books and articles on the subject. His particular areas of interest include the history of weapons, fortifications and siege warfare. He has lived all his life in Moscow and has travelled extensively in Europe, North Africa, South Asia, Asia Minor and the Far East.
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. Some of his recently illustrated books have been published in over thirty countries. Brian lives and works in Oxfordshire.