Bryan S. Turner is Professor of Sociology at the Institute for the Humanities and Social Sciences at the Australian Catholic University and Research Fellow at the Edward Cadbury Centre at the University of Birmingham, UK. He is the author of numerous books including, most recently, Understanding Islam: Positions of Knowledge (2023) and A Theory of Catastrophe (2023). He is also the founding editor of the Journal of Classical Sociology and co- editor of The Transformation of Citizenship (3 volumes, Routledge, 2019-2021), The Condition of Democracy (3 volumes, Routledge, 2021), and Urban Change and Citizenship in Times of Crisis (3 volumes, Routledge, 2021). He was awarded a Doctor of Letters by Cambridge University in 2009 and received the Max Planck Award in social science in 2015.