What made Earl Warren so important to our nation's history?

Earl Warren, after being elected Chief Justice of the Supreme Court, made a huge impact on our court system that still stand today. He was an activist for Civil rights, and developed rulings for suspected criminals such as the Miranda Rights, at times provoking controversy with his opinions in cases. His influence in the court has shaped how people view such situations today, overall making our judicial system a fairer, unbiased institution.