Jennifer J. Purcell is Professor of History at Saint Michael’s College in Vermont, USA. Using Mass-Observation diaries and directives, her first book, Domestic Soldiers (2010), seeks to understand the day-to-day lives of six women on the home front during the Second World War. She is also the author of Mother of the BBC: Mabel Constanduros and the Development of Light Entertainment on the BBC, 1925-1957 (Bloomsbury, 2020) and Mass-Observation: Text, Context and Analysis of the Pioneering Pamphlet and Movement (Bloomsbury, 2023). Fiona Courage is Deputy University Librarian and Director of the Mass Observation Archive at the University of Sussex, UK. Her publications include 'Recipes for co-production with children and young people' in Time, Technology and Documentation in a Digital Age (Bloomsbury, 2018; with Liam Berriman and Kate Howland) and 'Mass Observing Sport' in Recording Leisure Lives: sports, spectacles and spectators in 20th-century Britain (2013; with Jessica Scantlebury).