Professor Tariq Ramadan, Andrew Copson, the chief executive of the British Humanist Association, and Douglas Murray, founder of the Centre for Social Cohesion, will also take part.

BBC: Richard Dawkins and Rowan Williams

The key, according to Tariq Ramadan of Oxford University is to distinguish "principles" that are immutable and "models" that are a product of the time and place the stories were told.

BBC: How religions change their mind