He did not finish the program but , with his family 's support , purchased the Banco Comercial de La Plata in 1967 .
David Graiver enrolled at the University of La Plata Law School .
David Graiver did not finish the program but , with David Graiver 's family 's support , purchased the Banco Comercial de La Plata in 1967 .
David Graiver enrolled at the University of La Plata Law School .