Olier Mordrel (1901—1985) is the Breton language version of Olivier Mordrelle, a Breton nationalist and wartime collaborator with the Third Reich who founded the separatist Breton National Party. Before the war he worked as an architect. His architectural work was influenced by Art Deco and the International style of Le Corbusier. He was also an essayist, short story writer, and translator. Mordrel wrote some of his works under the pen names Jean de La Bénelais, J. La B, Er Gédour, A. Calvez, Otto Mohr, Brython, and Olivier Launay.
Read more about Olier Mordrel: Early Life, Architecture, Bretonische Regierung, In The Occupation, 1945, Exile, and Return, Works