Chris Wrigley is professor of modern British history at the University of Nottingham, Nottingham, England.

Johnathan Shepherd is Visiting Professor in Modern British History at the University of Huddersfield. Jonathan Davis is Principal Lecturer in Russian and Modern History and Co-Director of the Labour History Research Unit at Anglia Ruskin University, Cambridge. He is author of Stalin: From Grey Blur to Great Terror (2008) and co-editor of Britain’s Second Labour Government, 1929-1931: A Reappraisal (2011).