Jean Markale (May 23, 1928 in Paris – November 23, 2008) was the pen name of Jean Bertrand, a French writer, poet, radio show host, lecturer and high school French teacher who lived in Brittany. As a former specialist in Celtic studies at the Sorbonne, he researched pre-Christian and medieval culture and spirituality. He published numerous books about Celtic civilization, particularly the place of women in Celtic culture, and Arthurian literature. Source: Wikipedia (en)