The last great work, or perhaps I had better say, the last of his special labors calling for his activity, was in the line of his work of thirty years previous.
He worked very hard on behalf of a National Board of Education.
By this time he was seventy years of age, but yet he wrote for the press, spoke in public, corresponded with members of Congress, and made journeys to Washington in advocacy of the cause.
Letters have been found from Sumner, Banks, Boutwell, Garfield, Winthrop, and others, all of which show that he put his case in such a way as to receive attention.
The measure as passed by Congress shows that a National Board of Education was established along the same lines that he urged the State of Massachusetts to adopt thirty years before; namely, education is a matter of national concern.
After this, he seems to have lived in retirement and an honored old age. He died at Medford, July 7, 1872, nearly seventy-seven years of age, leaving one son who died u