Edgar Andrews is Emeritus Professor of Materials at the University of London and the author of “Who Made God?” He returns to support the view that only God explains the ability of science to make sense of the world around us. Lewis Wolpert is Emeritus Professor of Biology at University College London, he is an atheist and Vice President of the British Humanist Association.

He argues that belief in God is purely a result of evolution. They debate what constitutes “evidence” for God, and whether science is the only admissible type of evidence.