Not necessarily. The Chief Justice of the United States Supreme Court is nominated by the President and approved by the United States Senate. The President can nominate whomever he wants to fill the...
The Chief Justice is nominated by the US President with the "advice and consent" of the Senate after a sitting Chief Justice dies, retires, or is impeached. When the new Chief Justice is someone...
Associate Justices are appointed by the President, with the advice and consent (approval) of the Senate, the same as the Chief Justice. The President who appointed the most justices was George...