Sir David Cox was educated at St John's College, Cambridge (MA), and the University of Leeds (PhD). After working in industry, he held academic posts at Cambridge and Birkbeck College, London. In 1966 he became Professor of Statistics, and in 1970 Head of the Mathematics Department, at the Imperial College of Science and Technology. He is a former Warden (198894) and an honorary Fellow of Nuffield College, Oxford. He is a Fellow and former Member of Council of the Royal Society and was President of the International Statistical Institute from 1995 to 1997. He holds a number of awards, including honorary Fellowships at St John's College, Cambridge, and the British Academy, the Guy Medal (in Silver and in Gold) from the Royal Statistical Society, and the degree of DSc from a number of universities. He has also been awarded the Weldon Memorial Prize, University of Oxford, and the Kettering Prize and Gold Medal for Cancer Research. He is a Foreign Honorary Member of the US National Academy of Sciences. He was editor of Biometrika from 1966 to 1991.