[idea:herbert-mehrtens]

    Herbert Mehrtens

        [idea:sarah-pourciau]

        Sarah Pourciau

          [idea:aaron-scott]

          Scott Aaronson

            [idea:atiyah-michael]

            Michael Atiyah

                [idea:babbage-charles]

                Charles Babbage

                  [idea:benacerraf-paul]

                  Paul Benacerraf

                    [idea:berkeley-george]

                    George Berkeley

                      [idea:castelle-michael]

                      Michael Castelle

                        [idea:deringer-william]

                        William Deringer

                              [idea:husserl-edmund]

                              Edmund Husserl

                                  [idea:krieger-martin]

                                  Martin Krieger

                                    [idea:longo-giuseppe]

                                    Giuseppe Longo

                                          [idea:mazzotti-massimo]

                                          Massimo Mazzotti

                                              [idea:miller-jacques]

                                              Jacques Miller

                                                  [idea:peirce-charles]

                                                  Charles Peirce

                                                    [idea:poincare-henri]

                                                    Henri Poincaré

                                                              [idea:siegert-bernhard]

                                                              Bernhard Siegert

                                                                [idea:weatherby-leif]

                                                                Leif Weatherby

                                                                  [idea:vasilie-na-a]

                                                                  N. A. Vasiliev

                                                                    [idea:vonfoerster-heinz]

                                                                    Heinz Von Foerster

                                                                      [idea:vonneumann-john]

                                                                      John von Neumann

                                                                        [idea:warwick-andrew]

                                                                        Andrew Warwick

                                                                          [idea:thurston-william]

                                                                          William P. Thurston

                                                                              [idea:steingart-alma]

                                                                              Alma Steingart

                                                                                [idea:bernoulli-daniel]

                                                                                Daniel Bernoulli

                                                                                  [idea:bernoulli-johann]

                                                                                  Johann Bernoulli