Torin Alter is Professor of Philosophy at The University of Alabama, USA. He is author of articles in Mind, Philosophical Studies, and elsewhere; co-author of A Dialogue on Consciousness and The God Dialogues: A Philosophical Journey (both OUP); and co-editor of Consciousness and the Mind-Body Problem: A Reader and Phenomenal Concepts and Phenomenal Knowledge: New Essays on Consciousness and Physicalism (both OUP).

Yujin Nagasawa is Professor of Philosophy at the University of Birmingham, UK. He is author of God and Phenomenal Consciousness: A Novel Approach to Knowledge Arguments (CUP) and co-editor of There's Something About Mary: Essays on Phenomenal Consciousness and Frank Jackson's Knowledge Argument (MIT Press).

Torin Alter is Professor of Philosophy at The University of Alabama, USA.

David J. Chalmers is Professor of Philosophy and Director of the Centre for Consciousness at the Australian National University, Australia, and Professor of Philosophy at New York University, USA.

Philip Goff is Associate Professor of Philosophy at Central European University, Budapest.

Robert J. Howell is Professor of Philosophy at Southern Methodist University, USA.

William James was a 19

Immanuel Kant was an 18

Amy Kind is Professor of Philosophy at Claremont McKenna College, USA.

Gottfried Wilhelm von Leibniz was a 17

Michael Lockwood is Emeritus Fellow of Green Templeton College, Oxford, UK.

Grover Maxwell was Professor of Philosophy at the University of Minnesota, USA.

Barbara Gail Montero is Associate Professor of Philosophy at the Graduate Center and the College of Staten Island, City University of New York, USA.

Yujin Nagasawa is Professor of Philosophy at the University of Birmingham, UK.

Alyssa Ney is Associate Professor of Philosophy at the University of Rochester, USA.

Derk Pereboom is Susan Linn Sage Professor of Philosophy at Cornell University, USA.

Gregg Rosenberg works as a senior executive in private business. He received his Ph.D. in philosophy from Indiana University in 1997, with a concentration in metaphysics and logic.

Bertrand Russell was a 19

Daniel Stoljar is Professor of Philosophy at the Australian National University and Future Fellow of the Australian Research Council.

Leopold Stubenberg is Associate Professor of Philosophy at the University of Notre Dame, USA.

Donovan Wishon is Assistant Professor of Philosophy at the University of Mississippi, USA.