Dr. Vilhjálmsson is a former senior researcher at the Danish Center for Holocaust and Genocide Studies in Copenhagen. He is the author of Medaljens Bagside (The other Side of the Coin), a book published in 2005 which revealed Danish authorities' expulsions of Jews in the period 1940-43 as well as their eager post-War efforts to get rid of Jewish refugees who made it to Denmark before WWII.