Roger Kvarsvik is a historian and holds a position as head of the Hordaland County Archive Depot Department. Kvarsvik has written serveral articles and two books about Norwegian emigrants in USA. The last book written together with Thor Gotaas titled“The Desert Sour.The colony of homeless Norwegians in Brooklyn”, was a Norwegian bestseller in 2010. A documentary film based on the book and made in cooperation with Kvarsvik was shown on the Norwegian national (NRK) TV channel. He is now working on a book about a Norwegian thief who was imprisoned in Norway, other European countries and in the United States in the late 1800s.