Constantine Fitzgibbon (1919-1983) was born in the United States, but raised and educated in France before moving to England. He served in the British Army until 1942 before transferring to the United States Army as a staff officer in military intelligence. He started writing after the war, becoming a distinguished historian, journalist and novelist – Nazi Germany was a recurring theme in his work. He lived for many years in England before moving to Ireland in 1965, where he later became an Irish citizen.