Science writer Graham Farmelo in conversation with Sir Roger Penrose. Sir Roger Penrose, a hybrid mathematician-cosmologist, is one of the most accomplished scientific thinkers of the past fifty years. In this compelling interview with Graham, Penrose describes some of the key events of his remarkable career.Read more in Graham Farmelo's book The Universe Speaks in Numbers. Our GDPR privacy policy was updated on August 8, 2022. Visit acast.com/privacy for more information.