Marcel Déat was born on March 7, 1894 in Guérigny, Nièvre, France. He was married to Hélène Delaveau. He died on January 5, 1955 in Turin, Piedmont, Italy.
Author, politician, he was first a socialist and became a minister in the Vichy government. he fled at the end of the war to Italy where he died under a pseudonym.