Reverend Oliver L. Brown Congressional Gold Medal Act - Directs the Speaker of the House of Representatives and the President pro tempore of the Senate to arrange for the posthumous presentation, on behalf of Congress, of a gold medal in commemoration of the Reverend Oliver L. Brown (the lead plaintiff in the landmark U.S. Supreme Court decision in Brown v. Board of Education) in recognition of his and his fellow plaintiffs' enduring contributions to civil rights and American society.