- Category : 1873-births
- Type : GE
- Profile : 6/2 - Role Model / Hermit
- Definition : Split - Small (36)
- Incarnation Cross : LAX Limitation 2
Dutch athlete, the only male athlete to win world championships in both speed skating and bicycle racing; two women have done so (Sheila Young and Christa Luding-Rothenburger).
He died on 2 February 1925, aged 51, in Haarlem, Netherlands.