John Sadler's main specialty is in military history, as an accomplished author, lecturer, battlefield tour guide, heritage professional and historical interpreter. He is a visiting lecturer at the University of Sunderland Centre For Lifelong Learning since 1998. He lives in the North East of England.
Rosie Serdiville is a social historian and re-enactor with a particular interest in the wider impact of war on civilian populations. She delights in spending time in archives.