Talk of Cedric Villani, in 2015

Cedric Villani is a dazzling flashy mathematician. He is able to give original fantastic talks for a general audience both for mathematicians as well as for general audiences. In the following talk the gradient flow appears after about 16 minutes. In the following talk for young students (in French): Villani likes to use pictures. He mentions the Lady of Shalott painting from 1857 by William Maw Egley: