Anthony Clifford Grayling (pictured) CBE FRSA FRSL is a British philosopher and author and professor at Northeastern University London. He has written many 30 books on philosophy, biography, history of ideas, human rights and ethics, including The Refutation of Scepticism (1985), The Future of Moral Values (1997), Wittgenstein (1992), What Is Good? (2000), The Meaning of Things (2001), The Good Book (2011), The God Argument (2013), The Age of Genius: The Seventeenth Century and the Birth of the Modern Mind (2016) and Democracy and its Crises (2017). Grayling was a trustee of the London Library and a fellow of the World Economic Forum, and is a fellow of the Royal Society of Literature and the Royal Society of Arts. Brian Ball is an associate professor of philosophy AI and information ethics at Northeastern University London. His primary research interest is in the metaphysics of intentional states and acts – which is to say that he explores the natures of such things as knowledge, belief, judgment, and assertion, all of which have the distinctive characteristic of being about something.