Bahr Halvorsen's First Cabinet governed Norway between 21 June 1920 and 22 June 1921. The Conservative and Free-minded Liberal Party cabinet was led by Otto Bahr Halvorsen. It had the following composition:
Edvard Hagerup Bull was a Norwegian jurist and assessor of the Supreme Court of Norway. He was a member of the Norwegian Parliament and government official with the Conservative Party of Norway.
The cabinet Michelsen. In the front, left to right: Olssøn, Arctander, Michelsen, Løvland, G. Knudsen, Vinje. Behind, left to right: Bothner, Bull, Lehmkuhl, Chr. Knudsen.