The team from Wits University returned to a well-known ceiling panel in the Maloti-Drakensberg mountains, armed with new knowledge about the beliefs of the San people who made the paintings.
In a rare series of interviews, the late Ghanaian leader spoke of how the country's slave trade was revisited as a vehicle for economic development.
The next ten years will be a critical period in which research agendas can be developed.
For Africans and diasporans, learning about their heritage is important. But it remains to be seen how this will translate into a sustained continental and diasporan engagement.