## Charles Coulson and the Molecular Orbital Theory

On December 13, 1910, British applied mathematician and theoretical chemist Charles Coulson was born. Coulson was as a pioneer of the application of the quantum theory of valency to problems of molecular structure, dynamics and reactivity. He is known for the application of molecular orbital theory to chemical bonding, the electronic structures of molecules and the concept of partial valency, and developed many mathematical techniques for solving chemical and physical problems. Charles…

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