Ian Stewart is a Mathematics Professor at Warwick University. His many books include Mathematics of Life [9781846681981], Professor Stewart's Cabinet of Mathematical Curiosities [9781846683459], and The Science of Discworld trilogy with Terry Pratchett. He is a Fellow of the Royal Society, appears frequently on radio and television, and does research on pattern formation and network dynamics.
His wondrous world of worked-out maths and joined-up thinking is radical and even romantic The Times Interesting and authoritative BBC Focus