Norman Longmate was born in Newbury, Berkshire, and educated by scholarship at Christ's Hospital, where he was deeply influenced by an inspiring history teacher. After the war service in the army he read modern history at Worcester College, Oxford. He subsequently worked as a journalist in Fleet Street, as a producer of history programmes for the BBC, and for the BBC Secretariat. In 1981 he was elected a Fellow of the Royal Historical Society and in 1983 he left the BBC to become a full-time writer.
Norman Longmate is the author of more than twenty books, mainly on the Second World War and on Victorian social history, and of many radio and television scripts on historical subjects. He has frequently been employed as an historical adviser by film and television companies.