Why I Am an Atheist was written by the revolutionary who was executed at what age?
Bhagat Singh Bhagat Singh (] 1907  – 23 March 1931) was a charismatic Indian socialist revolutionary whose two acts of dramatic violence against the British in India and execution at age 23 made him a folk hero of the Indian independence movement.
Thomas Harrison (soldier) Major-General Thomas Harrison (1606 – 13 October 1660) sided with Parliament in the English Civil War. During the Interregnum he was a leader of the Fifth Monarchists. In 1649 he signed the death warrant of Charles I and in 1660, shortly after the Restoration, he was found guilty of regicide and hanged, drawn and quartered.