カール・グスタフ・エミール・マンネルヘイム
On 11 February 1918, in the early stages of the Finnish Civil War, commander-in-chief of White Finland's military, General Carl Gustaf Emil Mannerheim, appointed Lieutenant Isak Alfthan to command the Information Office () of Mannerheim's headquarters and start gathering military intelligence on the civil war enemy Red Finland as well as on Russian units.