Ko Johannes Jacobus Posthumus (24 Mahuru 1887 i Gouda <unk> 12 Tihema 1978 i Utrecht) he kaiwhakataetae hākinakina Dutch i whakataetae i nga Taakaro Orimipia o te Raumati 1908. He mema ia o te kapa hākinakina o te motu o Netherlands, i whakaoti i te whitu o nga whakataetae kapa
He aha? I te whakataetae takitahi katoa, i mutu ia i te 66th.