On Friday 18 October 2024, The Honourable Susan Mary Kiefel AC KC delivered the 2024 Sir David Williams Lecture entitled "Judicial review of discretionary decision-making: differences of approach". The lecture begins at: 05:40 The Sir David Williams Lecture is an annual address delivered by a guest lecturer in honour of Sir David Williams, Emeritus Rouse Ball Professor of English Law and Emeritus Vice-Chancellor of Cambridge University. More information about this lecture, including photographs from the event, is available from the Centre for Public Law website at: https://www.cpl.law.cam.ac.uk/sir-david-williams-lectures