Cambridge professor Simon Blackburn is best known to the general public as the author of several books of popular philosophy such as  ink, Being Good andTruth: a Guide for the Perplexed. Academic philosophers also know him as the author of one of the most important books of contemporary moral philosophy, Ruling Passions, and as a former editor of the leading journal Mind.

Jerry Fodor is one of the leading philosophers of mind and language in the world today. He is best known for his work developing two theses which give theirnames to his books The Modularity of Mind and The Language of Thought. He teaches philosophy at Rutgers and at the CUNY Graduate Center.

AC Grayling is Britain’s leading popular philosopher. A professor at Birkbeck College, University of London, he has written over 20 books, ranging from academic monographs such as Truth, Meaning and Realism to more accessible works such as What is Good? and The Mystery of Things. His most recent books are Towards The Light and The Choice of Hercules.

Jaakko Hintikka’s work in logic and epistemology has won him the Rolf Schock Prize for Logic and Philosophy, widely viewed as the Nobel of its field. He is also one of only four philosophers this century to be the subject of a volume of the Library of Living Philosophers. Hintikka is professor of philosophy at Boston University.

Alasdair MacIntyre’s seminal book After Virtue was central in the rehabilitation of the Aristotelian approach to ethics. His work in moral and political philosophy is among the most important of his generation, and is influenced by Marx, Aquinas, Aristotle, and conversion to Roman Catholicism. He is a permanent senior research fellow at the University of Notre Dame.

Colin McGinn has written on a wide range of philosophical issues and is best known for his argument that the human mind is incapable of understanding itself, and that therefore attempts to understand the nature of consciousness are doomed. He has written a novel and a memoir, and has recently turned his attention to the cinema and Shakespeare. He is professor of philosophy at Miami University.

Martha Nussbuam is one of the most prolific and original philosophers working today. Influenced by ancient philosophy, she has written on the relationship between fiction, the emotions and moral reasoning. With Amartya Sen she developed the capabilities approach to human well-being, which helped shape the UN’s Human Development Index. She is Ernst Freund Distinguished Service Professor of Law and Ethics at the University of Chicago.

John Searle first made his name with his work in the philosophy of language on speech acts, but cemented his place at the centre of contemporary philosophy with his arguments against computational theories of mind. A rare academic, who writes original work for both general and specialist readers, he has more recently focused on the construction of social reality. He is the Slusser Professor of Philosophy at the University of California, Berkeley.

Peter Singer is probably the best-known and most controversial ethicist in the world today. He rigorously applies utilitarian moral theory to issues such as world poverty, the environment, abortion, euthanasia and, most famously, animal welfare. He has also written a book about his grandfather, David Oppenheim, who died in Theresienstadt concentration camp. He is Ira W. DeCamp Professor of Bioethics at Princeton University.