Lorna Arnold, OBE, is a noted British nuclear historian who worked for the UK Atomic Energy Authority for nearly 40 years. She has written seminal books on the Windscale accident, nuclear weapons tests in Australia, and Britain's H-Bomb programme.After a childhood of rural poverty in the south of England, she studied at the University of London and at Cambridge. Her work at the War Office and the Foreign Office during World War II led to postings to Berlin and Washington. A decade later, a chance encounter resulted in her joining the UKAEA, where she worked with many of the scientists and leaders who established Britain's nuclear agenda.