Douglas John Sadler BA (Hons) M.Phil, FRHistS, FSA (Scotl.) is an author, lecturer, battlefield tour guide and historical interpreter. He has been a visiting lecturer at the North East Centre for Lifelong Learning teaching war studies for fifteen years and has some thirty published titles in print or preparation. He is an experienced battlefield tour guide for both world wars in Europe and for a range of earlier conflicts. As a historical interpreter and partner in Time Bandits, he has appeared in a wide variety of guises in museums, galleries, schools, the community and heritage sites from Ramses II of Egypt to WWII Home Guard and Auxiliaries. He is married with two daughters and lives in mid-Northumberland.
Rosie Serdiville is a writer and educator with a particular interest in radical history. She works together with John Sadler in schools and for heritage sites, often using our very different viewpoints to provide an alternative commentary on historical events. She is Vice President of the Society of Antiquaries of Newcastle upon Tyne, and co-author with John Sadler of 7 military history titles.