The Corporation shall have a Board of Directors consisting of eleven voting members appointed by the President, by and with the advice and consent of the Senate, no more than six of whom shall be of the same political party. A majority shall be members of the bar of the highest court of any State, and none shall be a full-time employee of the United States. Effective with respect to appointments made after December 28, 1977, but not later than July 31, 1978, the membership of the Board shall be appointed so as to include eligible clients, and to be generally representative of the organized bar, attorneys providing legal assistance to eligible clients, and the general public.