Complex sentence: He obtained there his bachelor's degree in geography in 1964, his master's degree in history in 1966, and at the School of Oriental and African Studies in London his Ph.D. in 1971 on the basis of his research on the history of Africa.
Split into simpler sentences: He obtained there his bachelor's degree in geography in 1964, as well as his master's degree in history in 1966. At the School of Oriental and African Studies in London he obtained his Ph.D. in 1971 on the basis of his research on the history of Africa.