Steven J Zaloga has published numerous books and articles dealing with modern military technology, especially armoured vehicle development. His main area of interest is military affairs in the former Soviet Union and Eastern Europe in the Second World War, and he has also written extensively on American armoured forces.
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, and has provided work on artillery subjects for Osprey ranging from Ancient Greece, through to the Napoleonic period, and up to World War II. Brian lives and works in Oxfordshire.