Marcel Bleustein-Blanchet

Marcel Bleustein-Blanchet (21 August 1906 – 11 April 1996) was a French entrepreneur and advertising magnate best known as the founder of Publicis Groupe.

He is also credited with inventing radio advertising in France, helped create the first French opinion polls, introduced Édith Piaf to the French public, and fought with the Free French forces during World War II.