The famous leader of the French Revolution associated with the Reign of Terror is Maximilien Robespierre. As a key figure in the Committee of Public Safety, he played a central role in the revolutionary government, advocating for radical measures to safeguard the Revolution against perceived enemies. The Reign of Terror, which lasted from 1793 to 1794, saw widespread purges and executions, including those of former allies. Robespierre's eventual downfall and execution in 1794 marked the end of this tumultuous period in French history.