John von Neumann Posted on 2020/11/13 by Carl Robitaille https://youtu.be/Y2jiQXI6nrE Eugene Wigner tells the story of Max Born giving the "two bikes and a fly" puzzle to John von Neumann pic.twitter.com/BOVfcMg7c7— Tamás Görbe (@TamasGorbe) November 10, 2020