C-byrån was a Swedish secret intelligence agency established in 1939, sorting under the Swedish Armed Forces. It was led by Major Carl Petersén. During World War II C-byrån organized operations in the German-occupied Norway and Operation Stella Polaris in Finland.
Plaque on Sibyllegatan 49 in Stockholm: "C-byrån operated in this building 1942-1945. The Swedish Armed Forces honor the women and men in the intelligence service who here, in silence, made great efforts for Sweden."
Carl Petersén (born 1883)
Carl Jacob Karsten Petersén was a Swedish Army officer. During World War II he served as head of the intelligence agency C-byrån. He later served as Secretary General of the International Road Transport Union.
Carl Petersén (born 1883)
Family grave of Carl Petersén at Norra begravningsplatsen