Philip C. England received a doctorate in geophysics in 1976 from the University of Oxford. He carried out research and teaching@Cambridge and Harvard before moving in 1986 to Oxford, where he is now a professor in the Department of Geology. Most of his work centers on theoretical and observational aspects of the deformation of the continents. Address: Department of Earth Sciences, University of Oxford, Parks Road, Oxford OX1 3PR. Internet: philip.england@earth.ox.ac.uk