This question has come up before, but never found a suitable answer -- anyone has a list of notable alumni that have participated in IMO that have gone on to do great things in life?
He also figure in sibling comment list. I read a book called Perfect Rigor, in that if I remember right, he could easily solve all the seven problems. Which happens rarely. Surely a living (and also tragic) genius. I get goose bumps just by typing this comment.