Oxford mathematician and Christian thinker John Lennox will be the keynote speaker at Unbelievable? the Conference 2017 on Sat 13^th May. He joins Justin to respond to a variety of questions sent in by show listeners including “What would convince you to become an atheist?”, “How do you stay cool in debates?” and “Tell us about being taught by CS Lewis”.

Justin also says hello to US show listener Wes Freeman, sitting in on the show as a special birthday treat arranged by his wife Ashley!