He studed military school (1919) and became naval officer (1922)
Boris Roger studed astronomy and navigation in Paris (1927-1931)
Research
His practical work in geodesy and mathematicl cartogrphy is appreciated highly
He investigated old Bulgrin calendar
Experience
Rogev worked in the marine (1920-1923)
He created and headed Hidrographycal Department of the State Military Geographycal Institute in Sofia (1932)
He worked in the Neavy School (1934)
He headed Military Institute of Geography (1946-1954)
He was a researcher in the Central Laboratory of Geodesy (1954-1976)