Stephen Hawking's proclamation that philosophy is dead was clearly hyperbole. But when it comes to understanding the fundamental nature of reality, has philosophy really got anything left to contribute? Does the rise of physics demand the end of metaphysics?

Debating these questions are Carlo Rovelli (Centre de Physique Théorique of the Aix-Marseille University), Eleanor Knox (King’s College London) and Alex Rosenberg (Duke University) with the BBC’s Ritula Shah in the chair.