ACADEMIC GENEALOGY
HDC
-> Yuya Sasaki (2012, Brown) -> Frank Kleibergen (1996, Erasmus)
-> Herman Koene van Dijk (1984, Erasmus) -> Teunis Kloek (1966, Erasmus)
-> Henri Theil (1951, UvA) -> Pieter Hennipman (1940, UvA)
-> Herman Frijda (1914, Leiden) -> Hendrik Barend Greven (1875, Leiden)
-> Simon Vissering (1842, Leiden) -> Cornelis Jacobus van Assen (1810, Leiden)
-> Hendrik Willem Tydeman (1799, Leiden) -> Dionysius Godefridus van der Keessel (1761, Leiden)
-> Gerlach Scheltinga (1731, Franeker)-> Abraham Wieling (1721, Marburg)
-> Johann Friedrich Hombergk zu Vach (1698, Utrecht)
-> Joannes Georgius Graevius (b. 1632, Leiden) -> Daniël Heinsius (~1598, Leiden)
-> Joseph Justus Scaliger (b. 1540, Paris) -> Adrianus Turnebus (b. 1512, Paris)
- Hats off to Job Boerma for pointing out an important link.
My current Erdős number is 4:
HDC <-> Yukitoshi Matsushita <-> Theodore W. Anderson <-> Donald A. Darling <-> Paul Erdős