Henrik Nicolai Clausen was born on the island of
Lolland, the son of resident chaplin and later provost H. G. Clausen (1759–1840) and Sophia M. Schiern (1769–1817). He was the elder brother of theologian Emil Theodor Clausen (1802–1851). The family moved to Copenhagen when he was four years old. He graduated from the
Metropolitan School in 1809. Clausen became a student in 1809 and a candidate in theology in 1813. He won the university's gold medal for
Fremstilling og Bedømmelse af Apologeternes Beviser for Kristendommen imod hedenske og jødiske Modstandere in 1815. and became a doctor of philosophy in 1817. ==Career==