Gunnar Sønsteby Gunnar Fridtjof Thurmann Sønsteby DSO ( 1918 – 10 May 2012 ) was a member of the Norwegian resistance movement during the German occupation of Norway in World War II . He is also known for being the most highly decorated citizen in Norway , including being the only one to have been awarded the War Cross with three swords , Norway ' s highest military decoration . Second World War . Sønsteby was decorated for his work as a Norwegian resistance fighter during World War II . Known also as " Kjakan " ( " The Chin " ) and " No . 24 " , he participated in the resistance effort from 1940 . At the time of the German invasion of Norway in April 1940 , Sønsteby was living in Oslo and fought in Philip Hansteens Skiløperkompani . Norway ' s regular armed forces surrendered on 10 June 1940 , after two months of fighting , and the country was subsequently occupied by the Germans . Sønsteby then became involved in the underground resistance , both through Milorg and the illegal press . In 1942 he became " Agent 24 " in the Special Operations Executive . After saboteur training in England in 1943 , he became the contact for all SOE agents in eastern Norway and head of the Norwegian Independent Company 1 group in Oslo . This group performed several spectacular acts of sabotage ; among them smuggling out plates for the printing of Norwegian kroner from the Norwegian Central Bank and blowing up the office for Norwegian forced labour , thereby stopping the Nazis ' plan of sending young Norwegian men to the Eastern Front . In addition to the attack on the labour office the recommendation for this award mentions the theft of 75 , 000 ration books , which allowed pressure to be placed on authorities , stopping a threatened cut in rations ; the destruction of sulfuric acid manufacturing facilities in Lysaker ; destroying or seriously damaging over 40 aircraft , and related equipment which were being repaired at a tram company depot in Korsvoll ; destroying a railway locomotive which was under repair at Skabo ; destroying a number of Bofors gun s , a field gun and vital machine tools at the Kongsberg arms factory ; and starting a large fire in an oil storage depot at Oslo harbour which destroyed large quantities of lubricating oil and other specialist oils . Operating in occupied territory , and being high on the Gestapo list of wanted men , Sønsteby became a master of disguise . He operated under 30 to 40 different names and identities , and the Germans did not acquire his real name until near the end of the war . They were never able to catch him . Assassinations of informants . When Sønsteby was 80 years old , he said " Of course wrong decisions were made , also by the Resistance Movement . But one must remember that war was going on . It did happen that we had to kill without being sure that the person concerned was an informant . But the decisions were right , there and then . " Post - war activities . After the war Sønsteby moved to the United States where he enrolled in Harvard Business School . He also worked in the oil business before returning to Norway where he continued a career in private business . Throughout the post - war years and particularly after reaching retirement age Sønsteby has engaged in an extensive information and lecturing activity to pass on the lessons of the Second World War to future generations . Captain ( Kaptein ) Sønsteby is the only person awarded the War Cross with Three Swords ( more properly known as " War Cross with sword and two swords " ) . All three awards were made in 1946 . His additional recognitions include the following : After death . A state funeral for Sønsteby was held on 25 May 2012 in Oslo Domkirke . Twenty - four soldiers from Hans Majestet Kongens Garde provided an honour guard , while the service was attended by ; HM King of Norway , HM Elizabeth II represented by a wreath , the Prime Minister of Norway , current and seven past Ministers of Defence and the Chief of Defence . Several embassies to Norway were represented , including the United States Ambassador to Norway Barry B . White . The pallbearers were six high - ranking officers , a break from the norm of using soldiers drafted from the King ' s Guard , and as they carried the coffin from the church , four RNoAF F - 16 ' s performed a Missing man flypast . On 11 May 2012 Cato Guhnfeldt ( journalist / author ) wrote that " Some will claim that he [ Sønstebye ] went quite far in publicizing , and achieving publication about his contributions " . A book of condolences at Armed Forces Museum in Oslo , has been open to the public since 11 May 2012 . External links . Signatories of the book of condolences at Armed Forces Museum ( Norway ) :