Background
He was born in Bergen, a son of merchant Claus Hansen and Elisabeth Schram, and was a brother of Gerhard Armauer Hansen.
He was born in Bergen, a son of merchant Claus Hansen and Elisabeth Schram, and was a brother of Gerhard Armauer Hansen.
He was first married to Ida Christine Johannessen, and a second time to Dorothea Marstrand Serck. He served as a deputy representative to the Norwegian Parliament during the terms 1889–1891, representing the constituency Bergen. He later joined the Coalition Party, and served as a parliamentary deputy again during the term 1904–1906.
Born in Bergen, he graduated as candidate.med. in 1872 and worked as a physician the rest of his professional life.
He was a member of Bergen city council for several years, and served as mayor in 1894.