1. Edward Shepherd is Senior Lecturer in Planning and Development in the School of Geography and Planning, Cardiff University, Glamorgan Building, Cardiff CF10 3AT, UK;
2. Andy Inch is Senior Lecturer in Urban Studies and Planning, University of Sheffield, Western Bank, Sheffield S10 2TN, UK;
3. John Sturzaker is Ebenezer Howard Professor of Planning, University of Hertfordshire School of Life and Medical Sciences, College Lane, Hatfield AL10 9AB, UK;
4. Tim Marshall is Emeritus Professor of Planning, Department of Planning, Oxford Brookes University, Gipsy Lane, Oxford OX3 0BP, UK;