David Bebbington is Emeritus Professor of History at the University of Stirling. His publications include Evangelicalism in Modern Britain: A History from the 1730s to the 1980s (1989), Victorian Nonconformity (1992; second edition 2011), and as co-editor Evangelicals: Who they Have Been, Are Now and Could Be (2019). He is currently working on a study of Victorian Wesleyan Methodism in Leeds and the Shetland Isles.

David Ceri Jones is a Reader in Early Modern History at Aberystwyth University. His most recent publications include, as co-editor, George Whitefield: Life, Context and Legacy (2016), The Routledge Research Companion to the History of Evangelicalism (2018), and Making Evangelical History: Faith, Scholarship and the Evangelical Past (2019). He is currently preparing an edition of the correspondence of George Whitefield.