Étienne Marcel was provost of the merchants of Paris under King John II of France, called John the Good. He distinguished himself in the defence of the small craftsmen and guildsmen who made up most of the city population.
As a delegate of the Third Estate, he played an important role in the general assemblies held during the Hundred Years' War. In 1357, he found himself at the head of a reform movement that tried to institute a controlled French monarchy, confronting the royal power of the Dauphin or heir to the throne.
Wikipedia https://en.wikipedia.org/wiki/Étienne_Marcel
Address 94 Quai de l'Hôtel de Ville, Paris 75004, France
Coordinates 48°51'20.424" N 2°21'7.632" E