William J. Brennan Jr. was an influential Associate Justice of the U.S. Supreme Court from 1956 to 1990, known for his strong advocacy of civil liberties and individual rights. His judicial philosophy emphasized the importance of the First Amendment and the right to free speech, often expanding the role of the Supreme Court in protecting these rights against state infringement. Brennan's legacy includes shaping significant legal precedents that continue to impact constitutional law today.
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