Who's your fave mathematician? Mine's Galois.

Also, Hilbert, Cauchy, Abel, Artin, Noether, Kowalewska, Gauss, Eisenstein, Euler, Gentzen, Godel, Cohen, Cantor, Deligne, Weyl, Weil, Grothendieck, Newton, Riemann, Lagrange, Poincare, Ramanujan, Fermat.