Peter Albany Dearnley (PhD) formerly: Visiting Professor University of Southampton, UK, Senior Lecturer University of Leeds, UK.; Senior Lecturer University of Auckland, NZ., Senior Research Associate University of Cambridge, Research Fellow University of Birmingham, Research Technologist Sandvik Hard Materials Ltd, UK. Awarded (with Mr A N Grearson of Sandvik Hard Materials) the 1987 "Pfeil Medal" by the Institute of Materials, in recognition of their major contribution to understanding cutting tool wear mechanisms when machining titanium alloys.