Who is Stewart Potter from The Brethren: Inside the Supreme Court and what is their importance?

Potter was Associate Justice on the Supreme Court and was Burger's main opposition for the Chief Justice position. Stewart, a Republican, had been born into wealth in Ohio. He was Phi Beta Kappa at Yale before attending Yale Law School. He served on the Sixth Circuit Court of Appeals and then on the US Supreme Court in 1958, having been appointed by Eisenhower to both positions.