Jean-Claude Lozac'hmeur

Jean-Claude Lozac'hmeur (; April 1940 – 2 April 2026) was a French Breton linguist, academic and historian.

Life and career Born in Toulon in April 1940, Lozac'hmeur grew up in Molène. He earned a Diplôme national de doctorate from Rennes 2 University with a thesis directed by and titled La Genèse de la légende d'Yvain : essai de synthèse. There, he became a professor and specialized in medieval Celtic literature. He published in journals regularly, traveling across Europe to visit castles once built by Celts. He joined the International Arthurian Society and the . His works were cited by in the Dictionnaire de mythologie arthurienne and Keith Busby in The Evolution of Arthurian Romance.

Lozac'hmeur died in Saint-Malo on 2 April 2026, at the age of 85.

Publications La chanson d'Aiquin, présentation, traduction et notes (1985) Récits et poèmes celtiques, Domaine brittonique, VIe XVe siècles (1980) De la Ré-Volution : essai sur la politique maçonnique (1992) Dafydd ap Gwilym, un barde gallois du XIVe siècle, petite anthologie d'un grand poète (1994) Fils de la veuve : essai sur le symbolisme maçonnique (2002) L'énigme du Graal : aux origines de la légende de Perceval (2011) De la Gnose au Graal (2013) Les origines occultistes de la franc-maçonnerie (2015)