 In 1867, he became a reporter of the Supreme Court of Georgia and served in that capacity until 1872 when he became Georgia's attorney general (1872–1877).Hammond also served as a trustee of the University of Georgia beginning in 1871 and remained on the board until his death in 1899.He was Chairman his last few years of service and authored a book entitled "The University of Georgia and the Constitution" as well as "The University of Georgia