Articles by Colin Wright Colin WrightColin has a PhD in mathematics and is now probably best known for the presentation Juggling: Theory and Practice. He likes using the Twitter Android app to complain about the Twitter Android app. [Photo: Ben Sparks] @ColinTheMathmo solipsys.co.uk/new/ColinWright.html All articles by Colin The doodle theorem, and beyond…3 October 2016Colin Wright juggles Euler, doodling and Millennium problems