Gaustad Hospital is a psychiatric hospital in the neighborhood of Gaustad in Oslo, Norway. Founded in 1855, it is Norway's oldest purpose-built psychiatric hospital. It opened as the nation's first insane asylum designed according to the guidelines in the Insane Act of 1848. The facility was planned by Herman Wedel Major, based on the model of foreign instiā¦Gaustad Hospital is a psychiatric hospital in the neighborhood of Gaustad in Oslo, Norway. Founded in 1855, it is Norway's oldest purpose-built psychiatric hospital. It opened as the nation's first insane asylum designed according to the guidelines in the Insane Act of 1848. The facility was planned by Herman Wedel Major, based on the model of foreign institutions, and the building complex was designed by architect Heinrich Ernst Schirmer.