Ruth Anna Putnam

Professor of Philosophy at Wellesley College, Editor of The Cambridge Companion to William James (Cambridge University Press, 1977), and author of articles on James and ethical theory.

Richard Gaskin

His main areas of research are metaphysics, philosophy of language, and aesthetics. He has published on the nature of predication and reference, the problem of future contingency, the scope of divine power and knowledge, fiction and truth, and Wittgenstein.

Iddo Landau

Lecturer in Philosophy at the University of Israel. His article ‘What's Old in Derrida?‘ was published in Philosophy in July 1994.

Dale Jacquette

Professor of Philosophy, The Pennsylvania State University. He is author of Philosophy of Mind, Meinongian Logic: The Semantics of Existence and Nonexistence, and Wittgenstein's Thought in Transition. His articles ‘Buridan's Bridge’ and ‘A Turing Test Conversation’ were published in Philosophy in 1991 and 1993.

P. M. S. Hacker

Fellow of St John's College, Oxford. His most recent books are Gravure and Grace: the engravings of Roger Vieillard (1993), Wittgenstein: Mind and Will (1966), and Wittgenstein's Place in the Twentieth Century Analytic Philosophy (1966).

Francisco Vergara

Research Fellow at GRESE (Group de Recherches Epistemologiques et Socio-Economiques) at Paris I University, Panthéon-Sorbonne and also author of Introduction aux fondements philosophiques du libéralisme (éditions La découverte, Paris, 1992), a book on classical liberalism which has been translated into Italian, Portuguese, Romanian and Spanish.

Michael Durrant

Reader in Philosophy, University of Wales, Cardiff. He has published articles on ancient philosophy, philosophical logic, epistemology and the philosophy of religion.

Paul Edwards

Professor of Philosophy, The City University of New York, Brooklyn College, Emeritus.