In 1882 the two women returned to Massachusetts to bid for more money and were introduced to wealthy Northern Baptist businessman John D. Rockefeller at a church conference in Ohio. Rockefeller was impressed by Packard's vision. In April 1884, Rockefeller visited the school. By this time, the seminary had 600 students and 16 faculty members. It was surviving on generous donations by the black community in Atlanta, the efforts of volunteer teachers, and gifts of supplies; many Atlanta black churches, philanthropists, and black community groups raised and donated money to settle the debt on the property that had been acquired. Rockefeller was so impressed that he settled the debt on the property. Rockefeller's wife, Laura Spelman Rockefeller; her sister, Lucy Spelman; and their parents, Harvey Buel and Lucy Henry Spelman, were also supportive of the school. The Spelmans were longtime activists in the abolitionist movement. In 1884 the name of the school was changed to the "Spelman Seminary" in honor of Laura Spelman and her parents. Rockefeller also donated the funds for what is currently the oldest building on campus, Rockefeller Hall, which was constructed in 1886.