Born on 20 April 1950, Bucharest (Romania)
Researcher at the Laboratoire de Chimie Theorique (CNRS and UPMC Sorbonne University, Paris, France)
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Contributing to understanding density functional theory, accurate calculations of density functionals, and judging density functional approximations.
Combining wave function methods with density functionals, and using lessons from density functional theory to develop methods that make no use of density functionals.
Providing tools to use quantum mechanics to interpret the chemical bond.