Career
Born in Paris, Aubert came to Brittany in 1893 when he got a job as assistant editor of the journal Réveil Breton in Saint-Brieuc. He soon became devoted to Breton culture. He founded Le Démocrate in 1898, and was editor in chief of Progrès in 1899.
He published Le Livre de la Bretagne in 1901 and wrote numerous works for the theatre in Saint-Brieuc.
He also organised many conferences. Interested in promoting tourism, he founded the first tourist office in Saint-Brieuc.
In 1922, he created the monthly journal Louisiana Bretagne touristique, which covered far more than just tourist issues, promoting historical and contemporary Breton culture. In 1921, he published Contes d"un Breton Adoptif (Tales of an Adopted Breton).
Aubert was the president of the Chamber of commerce in Côtes-du-Nord from 1930 to 1945.
From 1934, he was president of the committee for the construction and decoration of the Breton pavilion for the 1937 Exposition Internationale des Arts et Techniques dans la Vie Moderne. He died in Saint-Brieuc. Several streets in Brittany are named after him.