The first chapter is March 23, 2008 in Lyon, then in 270 pages and 44 chapters, during the three years covered his story (epilogue: February 23, 2011 in Budapest) Cedric Villani does not stop moving: Princeton, the India, Paris, Japan, New York ... with Brownian back and forth and all kinds of means of transport, like Tintin (defense calculate the carbon footprint of shifting theorem!). First mistake: the maths you imagine turning around in his cloister, he presents tireless globetrotter. Dozens of pages are filled with illegible forms, there are passages in English and dozens of emails copied / pasted as is with their jargons in symbolic writing. Second mistake: you may believe that the brilliant mathematician would explain its work, it quickly reassure you: the most important is not to gain understanding, but to participate in admiration. I remembered my laughter the first time I saw an episode of the series "ER" (young actors in white coats playing surgeons and anesthetists at full speed using technical terms in the middle of medical imaging machines and hi-tech). Third mistake: you thought math escaped the Society of the Spectacle, but the author, who has written a strong visual identity shows that it is going to be smarter than the Orwellian machinery. And he intends first to enjoy it and play a role. See you in a few years. I love this book, young, original, powerful and of course intelligent. He managed to give an idea of what "actually" solving a difficult problem today and demonstrates the existence (reassuring) an international community of passionate mathematicians, including those with a style totally opposed to his (Perelman, Grothendiek): small portraits drawn by Claude Gondard that illustrate some 25 presentations express inserted into the narrative give a little retro (like an old Larousse illustrated with engravings in black and white) to this book decidedly mixed. Is that all this is true to the reality of ruthless competition? What it has arranged, hidden? I do not know. No more than I do not understand a single line of math. Se non e vero e ben trovato!