Bernard Ireland spent more than 30 years in ship research for the
Admiralty in the Royal Naval Scientific Service. He also worked as
an illustrator for the shipping industry, producing artist’s
impressions and technical cutaways for companies such as Canadian
Pacific and Blue Star Lines, and produced illustrations for the
Port of London Monthly. He authored more than 25 specialist naval
books, and contributed to numerous artworks and journals on the
history of ships.
Francis Crosby has written extensively on military history and historic aviation and has acted as an historian and consultant for the film, media and publishing industry. His books include The World Encyclopedia of Bombers; The World Encyclopedia of Military Helicopters; The World Encyclopedia of Fighter Aircraft; and The World Encyclopedia of Naval Aircraft (all Lorenz Books); Images of War D-Day; and Images of War: The Luftwaffe in World War II (both Pen and Sword).