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The expansion of Christianity: An interview with Andrew Walls: Gospel, culture and the missionary movement

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. He recently wrote The Missionary Movement in Christian History (1996). He is currently guest professor at Princeton Theological Seminary, and also teaches regularly in Ghana.