Act () became law, and a tenth justice joined the Court. After fluctuating from nine to ten to eight members over a six-year period, the size of the Court was restored to nine members through the Circuit Judges Act of 1869 (), a broad Reconstruction era reorganization of the federal courts. This act remains the governing law regarding the number of seats on the Court. See also List of justices of the Supreme Court of the United States List of justices of the Supreme Court of the United States by court composition List of United States Supreme Court justices by time in office References External links Decisions and biography by Justice The Supreme Court Historical Society Seat