Chris Henry has pursued a career in military museums since 1991. He first worked at the Tower of London, Curator of Artillery at the Royal Armouries Fort Nelson in Portsmouth, head of collections at the Royal Artillery Museum in Woolwich and director of the Museum of Naval Firepower in Gosport. He is now director of the Museum of Scottish Lighthouses at Fraserburgh. His many publications include: The Battle of the Ebro, The Battle of the Coral Sea, Shield of Empire, British Napoleonic Field Artillery, British Napoleonic Siege and Coastal Artillery, The 25 Pounder Field Gun and Napoleonic Naval Armaments.