Haakon, Crown Prince of Norway is the heir apparent to the throne of Norway. On birth he was named Prince Haakon Magnus but it was stressed in the announcement that he would go by the name Haakon. He became Crown Prince Haakon when his father ascended to the crown as Harald V in 1991. Upon becoming king, he will be known as Haakon VIII of Norway. The Crown Prince is photographed in his office at the royal castle in Oslo.