Career
He compiled grammars, manuals, and dictionaries in English, German, French, and Interlingua. He was the second Secretary General of the Union Mundial pro Interlingua for Sweden. He became a Bachelor of Arts in English, German, and French in 1905, a filosofie licentiat in 1908, a fil.dr. in English in 1911, and later a filosofie licentiat in French.
He was a lector in Härnösand beginning in 1912 and in Malmö beginning in 1916.
He taught the first French course on Swedish radio from 1928 to 1933, at a time when radio was a recent invention. The school, which began at the end of the 19th century, is one of the oldest in Sweden.
Bladin remained its Rector until the 1950s. Bladin was initially a proponent of Latino sine Flexione.
He later became the Swedish representative for Interlingua.
He joined John Nordin (1887–1983) and Master of Philosophy Erik Berggren in compiling a 14,000-word Swedish-Interlingua dictionary, published in 1964. Bladin also published the books "Svensk-engelsk grammatisk ordbok" in 1914, "Nyckel till studentoch realskoleskrivningar i tyska och engelska" and "Studentoch realskoleskrivningar i tyska och engelska" in 1916, "Tysk läsebok" con Axel Wahlgren in 1922, "Lärobok i engelska" and "Privatlektioner i engelska" also in 1922, and "Rätt grund i engelska" in 1951.