Jacob Bernoulli
                                                         |
                     Hensen                      Johann Bernoulli 1694
                         |                              |
                     Kaestner 1739                   Euler 1726
                         |                               |
                     Pfaff                           Lagrange
                         |                          /        \
                     Gauss 1799   von Langsdorf   Poisson   Fourier
                         |              |           \        /
                     Gerling           Ohm 1811     Dirichlet 1827
                         |               \         /
                        Plucker 1823      Lipschitz 1853
                              \          /
                               Klein 1868
                                 |
                               Lindemann 1873
                                 |
                               Hilbert 1885
                                 |
                               Schmidt 1905
                                 |
                               Bochner 1921
                                 |
                               Gunning 1955