Allan Gibbard

Allan Gibbard
Born	Allan Fletcher Gibbard (1942-04-07) April 7, 1942 (age 83) Providence, Rhode Island, U.S.
Nationality	American
Academic background
Education	Swarthmore College (BA) Harvard University (PhD)
Thesis	Utilitarianisms and Coordination (1971)
Doctoral advisor	John Rawls
Influences	Richard Brandt Michael Bratman David Hume Charles Stevenson R. M. Hare
Academic work
Discipline	Philosophy
Sub-discipline	Metaphysics moral philosophy philosophy of language social philosophy
School or tradition	Analytic philosophy
Institutions	University of Chicago University of Pittsburgh University of Michigan
Main interests	Meta-ethics social choice theory
Notable ideas	Gibbard–Satterthwaite theorem Gibbard's theorem norm-expressivism
Website	www-personal.umich.edu/~gibbard

Allan Fletcher Gibbard (born 1942) is an American philosopher who is the Richard B. Brandt Distinguished University Professor of Philosophy Emeritus at the University of Michigan, Ann Arbor.^[1] Gibbard has made major contributions to contemporary ethical theory, in particular metaethics, where he has developed a contemporary version of non-cognitivism. He has also published articles in the philosophy of language, metaphysics, and social choice theory: in social choice, he first proved the result known today as Gibbard-Satterthwaite theorem,^[2] which had been previously conjectured by Michael Dummett and Robin Farquharson.^[3]