He wore a beard and his hair long, in a revival of the traditional Breton peasant style.

[1] Actively engaged in Breton nationalism, Glenmor wrote the song le Kan bale lu poblek Breizh, later renamed Kan bale an ARB, which was the marching song of the ARB (Armée Révolutionnaire Bretonne; Breton Revolutionary Army).

In June 1979, he participated in a hunger strike to protest against the detention of a Breton activist arrested following an attack against the Chateau of Versailles.

In the early 1970s he, Grall and Guel founded the newspaper la Nation bretonne, which was influential on the Breton intellectual elite.

In 1977, he appeared in Pierre Perrault's film C'etait un Québécois en Bretagne, madame!

The tomb is inscribed with the words, "Émile LE SCANV (1931-1996) Et voici bien ma terre, la vallée de mes amours.