Louis de Saint-Just
Louis Antoine Léon de Saint-Just, sometimes nicknamed the Archangel of Terror, was a French revolutionary, political philosopher, member and president of the French National Convention, a Jacobin club leader, and a major figure of the French Revolution. The youngest person elected to the National Convention, he was a member of the Mountain faction and a steadfast supporter and close friend of Robespierre. He was swept away in Robespierre's downfall on 9 Thermidor, Year II.