Meven Mordiern

Meven Mordiern, the pen name of René Le Roux, was a Breton writer of French origin, and a specialist on the ancient Celtic culture. He was the main collaborator of the lexicographer François Vallée, who created the most complete dictionary of the Breton language in the first part of the 20th century. During the interwar period he was very influential in the Breton movement.