John Pym was an English politician who played a prominent role in the events leading up to the English Civil War. He was a leading figure in the Parliamentarian faction and was known for his opposition to the policies of King Charles I. Pym was a skilled orator and a key organizer of the opposition to the king's attempts to assert absolute power. He was instrumental in the passage of the Grand Remonstrance, a list of grievances against the king, and played a key role in the impeachment of several of the king's advisors. Pym's leadership and influence were crucial in shaping the political landscape of his time and laying the groundwork for the eventual conflict between the king and Parliament.