Known as the Incorruptible, his execution led to the Thermidorian reaction and was carried out after he executed rivals such as Georges Danton.  
This man opposed the Girondins when they sought to declare war on Austria, and later, he denounced the Hebertists, who had set up an atheistic religion.  One of his ideas included a deist religion known as the Cult of the Supreme Being.  Jean-Jacques Rousseau had a large impact on his beliefs.  Known as the Incorruptible, his execution led to the Thermidorian reaction and was carried out after he executed rivals such as Georges Danton.  For 10 points, name this foremost leader of the French Revolution, the most influential member of the Committee of Public Safety who led the Reign of Terror.
This man opposed the Girondins when they sought to declare war on Austria, and later, he denounced the Hebertists, who had set up an atheistic religion.  
Maximilien François Marie Isidore de {Robespierre}