sentences:  The black schoolchildren appealed to the Supreme Court.The case was argued by Robert L. Carter for the NAACP (Samuel W. Tucker and Frank D. Reeves on the brief); Virginia assistant attorney general R.D.McIlvaine (Attorney General Robert Young Button and Assistant Attorney General Frederick Thomas Gray on the brief) and Judge John Segar Gravatt for the school board, and Solicitor General Archibald Cox argued on behalf of the United States as an amicus curiae, urging reversal.