Robin J. WilsonRobin J. Wilson is an Emeritus Professor of Pure Mathematics at the Open University, UK, and of Geometry at Gresham College, London, and is a former Fellow of Keble College, Oxford. He has written and edited over forty books on graph theory, combinatrics and the history of mathematics, including Introduction to Graph Theory and Four Colours Suffice. A former President of the British Society for the History of Mathematics, he has won prizes from the Mathematical Association of America for his expository writing and was awarded the 2017 Stanton Medal of the Institute of Combinatorics and its Applications for his outreach activities in combinatorics. Read More Read Less