Felix Frankfurter was a Supreme Court Justice from 1939 to 1962. He was appointed by President Franklin D. Roosevelt and was the first Jewish justice on the court. He was known for his strong commitment to civil liberties and his liberal views on the law. He was also an advocate for judicial restraint, believing that the court should not interfere with the decisions of elected officials. His opinions had a lasting impact on American law and he is remembered as one of the most influential justices in history.