1944 – 2002
Richard D. McKelvey was an American political scientist and game theorist known for foundational contributions to social choice theory and experimental game theory. His work on voting, quantal response equilibrium, and the epistemic foundations of backward induction shaped formal political theory and behavioral game theory.
Proved the McKelvey Chaos Theorem on majority rule instability in multidimensional spatial voting
Co-developed Quantal Response Equilibrium (QRE) with Thomas Palfrey
Contributed to critiques of backward induction as a solution concept in extensive-form games
Advanced experimental and computational methods in game theory
Shaped modern formal models of elections and legislative bargaining