Empson, Sir Richard, a lawyer in the reign of Henry VII.; was Speaker of the House of Commons; incurred the hatred of the populace by acting as the king's agent in forcing payment of taxes and penalties; was convicted of tyranny and treason, and beheaded in 1510.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Empiricism * Empyema