John Boyes was born in Edinburgh in 1947. Educated at Rugby School, he qualified as a chartered accountant in 1972 and thereafter pursued a career in the motor industry until his retirement in 2005. He has had a lifelong interest in the history of missiles and published his first book, Project Emily: Thor IRBM and the RAF, in 2008. He is the treasurer of the Royal Air Force Historical Society and financial controller of the Bomber Command Association, responsible for the financial management of its memorial in London. He has given a number of lectures on Thor and regularly contributed to the British Nuclear History meetings at Charterhouse. He is married and lives in West Wickham, Kent.