Following service in the U. S Navy during WWII, an Oberlin A. B., and a Berkeley Ph.D. in physical chemistry, the author held faculty positions at the Universities of Connecticut, Minnesota, Pittsburgh, and North Carolina State University. Since the 1960s he has been the world’s principal investigator of exclusive orbital models of molecules. A recipient of several of his nation’s leading awards in chemical education, he has serve as a chair of the American society’s Division of Chemical Education, its Committee of Professional Training, and its Presidential Committee on Periodic Table Column-Labels. He is a fellow of the American Association for the Advancement of Science and a member of a family of chemists.