 All four spent the war in Switzerland, where Halina began her work for MI6 and later the French "Deuxieme Reseau", conducting courier work into occupied France, for which she was decorated by the French.Among others, she developed a working relationship with the American Allen Dulles, who then headed the American OSS intelligence office in Bern.Dulles became the first civilian and the longest-serving (1953–61) Director of Central Intelligence (de facto head of the U.S. Central Intelligence Agency.