Bjørn Slettan is a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 historian.

He hails from Holum

Holum

Holum is a former municipality in Vest-Agder county in Norway. It is located in the northern part of the present-day municipality of Mandal.-Name:...

. He first took a teacher's education in Kristiansand

Kristiansand

-History:As indicated by archeological findings in the city, the Kristiansand area has been settled at least since 400 AD. A royal farm is known to have been situated on Oddernes as early as 800, and the first church was built around 1040...

, and later the cand.philol. degree in history at the University of Oslo

University of Oslo

The University of Oslo , formerly The Royal Frederick University , is the oldest and largest university in Norway, situated in the Norwegian capital of Oslo. The university was founded in 1811 and was modelled after the recently established University of Berlin...

. He worked as a teacher for many years, but in 1991 he was appointed as an associate professor at Agder University College

Agder University College

University of Agder is a public university located in both Kristiansand and Grimstad, Norway. The institution was established as a University college in 1994 with the merger of six colleges and was granted its current status as a University in 2007, but its academic activity dates as far back as...

, as the first faculty member in history at that institution. He retired in 1998. His main work was the third volume of the history of Mandal city, published in 2006.