Paul G. Mezey, MSc, MSc, PhD, DSc, DSc, chemist, mathematician, Canada Research Chair, Memorial University, Canada 2003-2017, Distinguished Visiting Prof. Yukawa Inst. Theor. Physics, Kyoto University, cont., Editor of J. Math. Chem. (Springer), Foreign Member of Hungarian Academy of Sciences, titular member of European Academy of Arts, Sciences and Letters (Paris); Vice President of World Assoc. Theor. Org. Chem. 1990-96; Foreign Member of Inst. Fundamental Chemistry, Kyoto University, Japan, 1991-1998; Secretary General of CODATA (UNESCO/ICSU),  Paris 1998-2004; Japan Society for Promotion of Science Award 1987; Albert Szent-Györgyi Award, Hungary 2002.

Publications: 430.  Books: Potential Energy Hypersurfaces, Elsevier 1987; Shape in Chemistry: An Introduction to Molecular Shape and Topology, VCH-Wiley 1993.  Most quoted results: Holographic Electron Density Theorem (any positive volume part of electron density cloud has the complete molecular information); Molecular Shape Analysis, Molecular Fragments, Functional Groups, Universal Molecule, Nuclear Charge Space, Similarity Measures, Symmetry-Deficiency, Chirality Measures, Symmorphy Groups, Quantum-Chem. Le Chatelier Principle, Reaction Topology. ADMA macromolecular quant. chem. method: linear-scaling, ab initio quality results for proteins. The Pipek-Mezey localization method has over thousand citations. As mathematician, Mezey has Erdos number 2. Over 240 invited lectures; three art exhibitions on "Beauty of Molecules".