Ann M. Fabirkiewicz, PhD, is Chair of the Chemistry Department at Randolph College, where she teaches organic and biochemistry and studies antioxidants in foods. She is the author of the third edition of Intermediate Organic Chemistry. John C. Stowell, PhD, was Professor of Chemistry at the University of New Orleans, where he taught and conducted research in synthetic organic chemistry. He authored the first two editions of Intermediate Organic Chemistry and the monograph Carbanions in Organic Synthesis.