Prominent atheist Prof Dawkins and the former Archbishop of Canterbury will discuss whether "religion has no place in the 21st Century" on Thursday.

BBC: Richard Dawkins and Rowan Williams

Prof Dawkins is an outspoken supporter of Charles Darwin, the 19th Century British scientist who laid the foundations of the theory of evolution.

BBC: Pastor attacks scientist's talk

Mr Robertson, who wrote a book, The Dawkins Letter, in response to the scientist's The God Delusion, claimed Prof Dawkins' visit was not to promote science but to "advance a polemic", or controversial argument.

BBC: Pastor attacks scientist's talk