Robin J. WilsonRobin J. Wilson is Emeritus Professor of Pure Mathematics at the Open University, UK. He was recently Gresham Professor of Geometry, London and a Fellow in Mathematics at Keble College, University of Oxford, and now teaches at Pembroke College, Oxfor. He graduated in mathematics from the University of Oxford and received his Ph.D. in number theory from the University of Pennsylvania. He has written and edited many books on graph theory and the history of mathematics, including Introduction to Graph Theory, Four Colours Suffice and Lewis Carroll in Numberland and his research interests include graph colourings and the history of combinatorics. He is currently President of the British Society for the History of Mathematics. Read More Read Less