 In 1849 he became a lecturer at the University of Christiania, and in 1860 a professor, first in systematic theology and Dogmatic theology and from 1875 in church history.In 1855, he founded the Christiania Inner Mission Society ("Christiania Indremissionsforening"), in 1863 the Lutheran Church Official Journal ("Luthersk Kirketidende") and in 1867 the Norwegian Luther Foundation ("Den norske Lutherstiftelse").In 1858 he established, together with Carl Paul Caspari, an annual publication entitled "Theologisk Tidskrift for den evangelisk-lutherske Kirke i Norge" which he edited until 1891.