Dr Geoff Nicholls is now a Lecturer in the Applied & Computational Mathematics Unit of the Department of Mathematics at the University of Auckland. After graduating from the University of Canterbury, he gained a PhD in high-energy particle physics at Cambridge University, and then he worked with Josef Kittler in Kittler's Machine Vision Group at Surrey University. Next he joined Peter Clifford at Oxford University, to work on Bayesian methods in high-level pattern analysis. His research interests concern applied stochastic modelling, artificial intelligence, random planar geometric processes, critical physical phenomena, and general mathematical problems arising from machine vision.