Nils Otto Hesselberg
Nils Otto Hesselberg (1844–1929) was a Norwegian politician for the Liberal Party. He was Chief of Kristiania Police department (1883–1906), secretary to Norway's Council of State (1906–1920), and was appointed state secretary in the first government of Prime Minister Gunnar Knudsen (1908–1910). References

1844 births
1929 deaths
Government ministers of Norway
Politicians from Tønsberg