Justice William Brennan served on the U.S. Supreme Court from 1956 to 1990, known for his influential opinions that expanded civil rights and liberties. He was a strong advocate for substantive due process, emphasizing individual rights against government intrusion, and played a crucial role in shaping the interpretation of the Constitution regarding cruel and unusual punishment, free speech, and unreasonable searches and seizures.
congrats on reading the definition of Justice William Brennan. now let's actually learn it.