A former missionary to Sierra Leone and Nigeria, Andrew Walls taught for many years at the University of Aberdeen in Scotland. He is founder-director of the Centre for the Study of Christianity in the Non-Western World at the University of Edinburgh, and founding editor of the Journal of Religion in Africa.
Most Western observers of the Christian scene have learned to take African developments very seriously. They know that Africans will make up an increasing share of most denominations. The thriving churches of Nigeria and Uganda have become famili