This volume is excellent. The individual essays are of a high quality, and the book's cumulative value as a resource for studying Bonhoeffer will not soon be matched.
Michael Mawson is the Maclaurin Goodfellow Associate Professor at the University of Auckland/Waipapa Taumata Rau, New Zealand, and Research Fellow at the University of the Free State, South Africa. He is the author of Christ Existing as Community: Bonhoeffer's Ecclesiology (2018) and Standing Under the Cross: Essays on Bonhoeffer's Theology (2023).
Philip G. Ziegler is Professor of Christian Dogmatics at the University of Aberdeen. He is the author of Doing Theology When God is Forgotten: The Theological Achievement of Wolf Krötke (2007) and Militant Grace: The Apocalyptic Turn and the Future of Christian Theology (2018). He is a General Secretary of the Karl Barth Society of North America, and has served on the executive committee of the English language section of the International Bonhoeffer Society.