Barbara Bush is Emeritus Professor of History at Sheffield Hallam University, UK. She has published widely on imperialism, race, gender and empire, including Imperialism and Postcolonialism (2006).

June Purvis is Emeritus Professor of Women's and Gender History at the University of Portsmouth, UK. She has published widely on women's education in nineteenth-century Britain and on the suffragette movement in Edwardian Britain, including Emmeline Pankhurst: a biography (2002).