Barry Smith is Professor of Philosophy at the University of London's School of Advanced Study and Leadership Fellow at the Arts and Humanities Research Council. Barry is a philosopher of language and mind who now works mainly on the multi sensory perception of flavour. A wine connoisseur himself, he is also a wine columnist and has been a ‘super taster’ on BBC 1’s Masterchef.

Kevin Buzzard has been obsessed by pure mathematics since he was a child, winning the International Mathematical Olympiad with a perfect score at the age of 19. Now Professor of Pure Mathematics at Imperial College London, Kevin is fascinated by modular forms. In this conversation we discuss the challenges of communicating with non-mathematicians about this unique conceptual world.