Allan Gibbard

Allan Gibbard
Name	Allan Gibbard
Birth date	1942
Birth place	Ann Arbor, Michigan
Nationality	United States
Era	20th century philosophy
Region	Analytic philosophy
Main interests	Ethics, Metaethics, Philosophy of language, Decision theory
Notable ideas	Gibbard's theorem, norm-expressivism, moral judgment as preference aggregation
Alma mater	University of Michigan, Yale University
Influences	W. V. Quine, Rudolf Carnap, David Lewis, Sidney Morgenbesser
Influenced	Derek Parfit, Simon Blackburn, Frank Jackson, James Dreier

Allan Gibbard is an American philosopher known for contributions to metaethics, decision theory, and the philosophy of language. He is most famous for formulating Gibbard's theorem in social choice theory and for developing norm-expressivism as an account of moral judgments. His work intersects with major figures and institutions across analytic philosophy and formal epistemology.

Early life and education

Gibbard was born in Ann Arbor, Michigan and studied at the University of Michigan where he encountered figures associated with Pragmatism and analytic strands linked to W. V. Quine. He pursued graduate studies at Yale University during a period when scholars such as Rudolf Carnap and Quine shaped debates in philosophy of language and logic. During his doctoral work he engaged with topics that connected to the projects of David Lewis and Thomas Nagel.

Academic career

Gibbard held faculty positions at institutions including the University of Michigan, the University of Pittsburgh, and the University of Chicago. He participated in conferences organized by the American Philosophical Association and contributed to symposia at centers like the Center for Advanced Study in the Behavioral Sciences and the Institute for Advanced Study. His collaborations and critiques touched on work by Kenneth Arrow, Amartya Sen, John Rawls, Harold Hotelling, and Kenneth Binmore in social choice and ethical theory. He supervised students who went on to positions at Oxford University, Cambridge University, Princeton University, and Harvard University.

Philosophical work

Gibbard's theorem, which interacts with results by Kenneth Arrow and Amartya Sen, shows constraints on strategy-proof voting rules and links to game theory and mechanism design. His norm-expressivism builds on debates with proponents and critics including A. J. Ayer, Simon Blackburn, Gilbert Harman, and John Mackie about the nature of moral language. In metaethics he addressed issues raised by G. E. Moore, R. M. Hare, and W. D. Ross, while drawing on formal tools associated with modal logic, model theory, and decision theory as developed by Leonard Savage and John von Neumann. Gibbard engaged in exchanges with philosophers of language such as Donald Davidson, Saul Kripke, Hilary Putnam, and Kit Fine concerning meaning, truth, and normativity. His work also intersects with epistemology debates involving Edmund Gettier, David Lewis (philosopher), and Timothy Williamson on belief and rationality.

Major publications

Gibbard's influential book "Wise Choices, Apt Feelings" placed him alongside figures like Derek Parfit and Frank Jackson in contemporary moral theory. He published articles in journals associated with The Journal of Philosophy, Mind, and Philosophical Review, contributing to edited volumes alongside essays by Richard Rorty, Thomas Nagel, Peter Railton, and Ralph Wedgwood. His work on voting theory and collective choice is discussed in collections that include writings by Kenneth Arrow, Kenneth Binmore, and Amartya Sen. Key papers engage with authors such as H. P. Grice, John Searle, J. L. Austin, and Paul Grice on speech acts and normativity.

Awards and honors

Gibbard received recognition from professional bodies including awards and fellowships associated with the American Philosophical Association and research support from institutions like the National Endowment for the Humanities and the National Science Foundation. His contributions have been honored in festschrifts alongside scholars such as Simon Blackburn, David Lewis, Derek Parfit, and Philippa Foot. He has given named lectures at venues including the British Academy, Australian National University, and the Royal Institute of Philosophy.

Personal life and legacy

Gibbard's influence extends through students and interlocutors across analytic philosophy, metaethics, and formal epistemology, affecting debates involving consequentialism, deontology, and virtue ethics as discussed by Elizabeth Anscombe, Philippa Foot, and Bernard Williams. His ideas continue to be discussed in seminars at Oxford University, King's College London, Yale University, and Princeton University, and in interdisciplinary work connecting to political science and economics involving scholars like Kenneth Arrow and Amartya Sen. He is remembered for precise formal arguments and engagements with a wide range of figures in twentieth- and twenty-first-century philosophy.

Category:American philosophers Category:Metaethicists