<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngakho uHalbertsma wayelindele ukuba aqokwe njengoprofesa wolimi nezincwadi zesiDashi, futhi izikhathi eziningana ukuqokwa okunjalo kwakubonakala kuseduze kwakhe, kodwa isikhathi ngasinye kwakubalekela. Cishe ipeni lakhe elibukhali lalinendima kulokhu, kodwa kwakukhona nezinye izizathu, futhi. Ngo-1830, walahlekelwa yi-surplus yabafakizicelo abageza iNetherlands bevela emanyuvesi aseBelgium, ngaleso sikhathi ayesanda kuhlukana ne-United Kingdom of the Netherlands  <response>: , futhi ngemva kuka-1840 kwakudingeka uhlobo oluhlukile lososayensi, onolwazi oluthe xaxa kunalolo olwaludingwa uHalbertsma. Ukuthi ngo-1837 wanikezwa iziqu zobudokotela bezincwadi yi-University of Leiden, kwakungeyona induduzo kuye. Ngokwengxenye ngenxa yalokhu kudumazeka, uHalbertsma walinganisela onqenqemeni lokushiswa isikhathi eside, futhi ikakhulukazi ngo-1839, lapho edlula futhi, wabhekana nenkinga ejulile. Kwaba kuphela ngawo-1860, lapho eseneminyaka engamashumi ayisikhombisa ubudala, lapho kubonakala sengathi wayesefinyelele esimweni sokuthula kwengqondo. 