Nigel Hitchin is Emeritus Savilian Professor of Geometry in the Mathematical Institute at the University of Oxford. His main areas of research are differential and algebraic geometry and its links to theoretical physics. Amongst his notable discoveries is the Hitchin integrable system. He is also engaged in a formal collaboration with the Geometry Group at the Institute of Mathematical Sciences (ICMAT) in Madrid through the Donaldson-Hitchin Laboratory. His numerous honors include the Shaw Prize in Mathematical Sciences, the Sylvester Medal of the Royal Society, and the Senior Berwick Prize and Pólya Prize of the London Mathematical Society. He is a Fellow of the Royal Society and a former Rouse Ball Professor of Mathematics at the University of Cambridge.