Ralph Nelson Whitfield McKenzie (born October 20, 1941) is an American mathematician, logician, and universal algebraist. He received his doctorate from the University of Colorado Boulder in 1967.Ralph McKenzie - The Mathematics Genealogy Project
He is a fellow of the American Mathematical Society.List of Fellows of the American Mathematical Society, retrieved 2016-04-27.
Selected works McKenzie with David Hobby: The structure of finite algebras, AMS 1988 McKenzie with Ralph Freese: Commutator Theory for Congruence Modular Varieties, London Math. Society Lecture Notes, Cambridge University Press 1987
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