John Popham was an English lawyer and politician who lived during the late 16th and early 17th centuries. He is best known for serving as the Chief Justice of the Common Pleas, a significant position in the English legal system. Popham played a crucial role in various legal cases and was influential in shaping the law during his time. In addition to his legal career, Popham was also involved in politics. He served as a Member of Parliament for Somerset and was known for his support of the Tudor monarchy. His contributions to both law and politics have made him a notable figure in English history.