Bjuggren was born on 29 January 1904 in Karlsborg, Sweden, the son of colonel Erik Bjuggren and his wife Ketty. He passed studentexamen in Stockholm in 1922 before becoming an officer in 1924. Bjuggren attended the Artillery and Engineering College from 1926 to 1928 and various flight schools in 1928, 1930 and in 1933. Bjuggren participated in competitions in modern pentathlon in Germany in 1927 and in Finland in 1929. He studied aeronautics at the Royal Institute of Technology from 1931 to 1932 and studied in aircraft industries in Germany, France, Italy, England and in the Netherlands from 1932 to 1933. Bjuggren was an expert in the 1930 Defense Commission from 1933 to 1936 and studied at the Royal Swedish Army Staff College from 1934 to 1936. He also conducted trials and experimentation of dive bombing methods in 1934 and served during French bomb preparations in 1935. Bjuggren was promoted to captain in the Swedish Air Force in 1937 and was a teacher at the Royal Military Academy the same year. He was also an instructor in dive bombing in Finland and Denmark in 1937 and 1939. Bjuggren was also a teacher at the Royal Swedish Air Force Staff College in 1939. During 1939-1940, he acted as chief of staff to the Flying Regiment 19, Finnish Air Force during the Winter War. In 1940-1941 he conducted test flights of dive bombers in Germany, France and the Netherlands and was headed the Swedish Air Force commission in Italy that carried out purchases of Caproni Ca.313 and Reggiane Re.2000. Bjuggren was promoted to major in 1941 and was head of the Operation Department at the Air Staff from 1941 to 1942. He was promoted to lieutenant colonel in 1943 and was commanding officer of Jämtland Air Force Wing from 1943 to 1947. Bjuggren became a member of the Royal Swedish Academy of War Sciences in 1945 and was promoted to colonel the following year. He was then head of the Royal Swedish Air Force Staff College from 1947 to 1949 and was Inspector of Flight Security from 1949 to 1952. Bjuggren was commanding officer of the First Air Group from 1952 to 1964 and was then head of the National Swedish War Materials Inspectorate from 1 January 1965 until his death on 4 April 1968.
Personal life
He was married 1928–1932 with Ingert Malmberg, the daughter of music writer Helge Malmberg and actress Anna Rosenbaum. In 1933 he married dance artist Jeanna Falk, the daughter of cantor Ferdinand Falk and Ida Rosenberger. Bjuggren died on 4 April 1968 in Stockholm and was buried at Lidingö Cemetery.
