Duncan Tanner (1958-2010) was a leading historian of Labour history and Director of the Welsh Institute for Social and Cultural Affairs at Bangor University, where he contributed significantly to work on Welsh devolution. He was the author of Political Change and the Labour Party 1900-1918 and co-editor of The Labour Party in Wales 1900-2000; Labour's First Century; Debating Nationhood and Government in Britain 1885-1939: Perspectives from the 'Four Nations' and The Strange Survival of Liberal England. Andrew Thorpe is Professor of Modern British History and Associate Dean for Research and Knowledge Transfer in the College of Humanities at the University of Exeter. Mari Elin Wiliam is Lecturer in Modern and Welsh History at Bangor University.