b. 1936
Keith Lehrer is an American philosopher best known for his work in epistemology, philosophy of mind, and action theory. He developed the coherence theory of knowledge and has made influential contributions to debates on free will, self-trust, and rational consensus.
Developed a coherence theory of knowledge and justification
Authored influential works including 'Knowledge' (1974) and 'Theory of Knowledge' (1990)
Advanced critiques of the modal analysis of ability in free will debates
Contributed the Lehrer-Wagner model of rational consensus
Long tenure as Regents Professor at the University of Arizona