Peter Clingerman Fishburn (September 2, 1936 – June 10, 2021) was an American mathematician, known as a pioneer in the field of decision theory. In collaboration with Steven Brams, Fishburn published a paper about approval voting in 1978. Biography Intellectual Fishburn received his B.S. in industrial engineering from Pennsylvania State University in 1958, his M.S. in operations research in 1961, and a Ph.D. in operations research in 1962, the latter two from the Case Institute of Technology. In collaboration with Steven Brams, Fishburn published a paper about approval voting in 1978. In 1996, he won the John von Neumann Theory Prize. He also won the Decision Analysis Publication Award in 1991 and the Frank P. Ramsey Medal in 1987. He was elected to the 2002 class of Fellows of the Institute for Operations Research and the Management Sciences. Personal Fishburn retired after many years of research at AT&T Bell Laboratories in the state of New Jersey, United States. He was married to the theologian Janet Forsythe Fishburn. He died on June 10, 2021, in Racine, Wisconsin. See also Fishburn set Fishburn–Shepp inequality Maximal lotteries References Brams, Steven J., and Fishburn, Peter C. (1983), Approval Voting. Boston: Birkhäuser. Second edition (2007). New York: Springer. Fishburn, P.C. (1964), Decision and Value Theory. Publications in Operations Research, No. 10. New York: John Wiley and Sons. Fishburn, P.C. (1970), Utility Theory for Decision Making. Publications in Operations Research, No. 18. New York: John Wiley and Sons. Fishburn, Peter C. (1972), Mathematics of Decision Theory. Methods and Models in the Social Sciences, 3. The Hague: Mouton. Fishburn, Peter C. (1973), The Theory of Social Choice. Princeton, N. J.: Princeton University Press. Fishburn, Peter C. (1982), The Foundations of Expected Utility. Theory and Decision Library, Vol. 31. Dordrecht: D. Reidel. Fishburn, Peter C. (1988), Nonlinear Preference and Utility Theory. Baltimore, Md.: Johns Hopkins University Press. Notes External links Biography of Peter Fishburn from the Institute for Operations Research and the Management Sciences 1936 births 20th-century American mathematicians 21st-century American mathematicians John von Neumann Theory Prize winners 2021 deaths American operations researchers Voting theorists Fellows of the Econometric Society Fellows of the Institute for Operations Research and the Management Sciences