Otto B. Halvorsen

Given name(s): Otto, Bahr

Surname(s): Halvorsen

Gender: Male

Birth date: 1872 May 28

Birth place: Oslo, Norway

Death date: 1923 May 23

Death place: Oslo, Norway

Wikipedia: https://en.wikipedia.org/wiki/Otto_Bahr_Halvorsen

Otto Bahr Halvorsen