He then took the high school teacher examination in 1856 and, as no university post was available, taught in the town of Frederikshald from 1858 to 1898.
Siya pagkatapos ay kinuha ang mga mataas na paaralan, pagsusuri sa 1856 at, bilang walang unibersidad paskil ay magagamit na, tinuturuan sa bayan ng Frederikshald 1858-1898.