Georg Andreas Bull was a Norwegian architect and chief building inspector in Christiania for forty years. He was among the major architects in the country, and performed surveying studies and archeological research.

Oslo Central Station is the main railway station in Oslo, and the largest railway station within the entire Norwegian railway system. It connects with Jernbanetorget station, which is served by trams and the Oslo Metro. It's the terminus of Drammen Line, Gardermoen Line, Gjøvik Line, Hoved Line, Østfold Line and Follo Line. It serves express, regional and local rail services by four companies. The railway station is operated by Bane NOR while its real estate subsidiary, Bane NOR Eiendom owns the station, and was opened in 1980.