Fields medal winner Cédric Villani takes us through the very éédric Villani is a French mathematician who works primarily on partial differential equations, Riemannian geometry and mathematical physics. He was awarded the prestigious Fields Medal in 2010 – an award often viewed as the highest honour a mathematician can receive. He is a member of the Science and Technology Advisory Council and DIrector of the Institut Henri Poincaré. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.