 kii ṣe orilẹ-ede naijiria nikan lo ti ṣe olukọni fasiti, o kọ ni ni fasiti cornell university, united states ninu imọ nipa ilẹ afirika ati imọ tiata, bakan naa ni emery university nibi to tun ti gba oye ọjọgbọn robert w. woodruff professor of arts. 