Louis Guilloux (15 January 1899 – 14 October 1980) was a Breton writer born in Saint-Brieuc, Brittany, where he lived throughout his life. He is known for his Social Realist novels describing working class life and political struggles in the mid-twentieth century. His best-known book is Le Sang noir (Blood Dark), which has been described as a "prefiguration of Sartre's La Nausée." Source: Wikipedia (en)