There are quite a few movies which suggest that a mathematically-inclined mind makes you prone to depression. In fact, not that many famous mathematicians suffered crippling mental illness, apart from David Hilbert, Georg Cantor, Kurt Gödel, Alan Turing, Isaac Newton, Carl Gauss, Pierre de Fermat, Alexander Grothendieck, John Nash, Paul Erdös, Henri Poincaré, Bernhard Riemann, Joseph-Louis Lagrange, Évariste Galois, Ludwig Boltzmann, Marius Lie, Emil Post, Charles Babbage, Augustin Cauchy, Pierre-Simon Laplace, and Blaise Pascal…