RAMESH C. GUPTA is Professor and Head of the Toxicology Department at Murray State University. He is the former president of the American Academy of Veterinary and Comparative Toxicology (AAVCT), and has more than 300 publications to his credit, along with fifty book and encyclopedia chapters as well as five major books. Currently, he holds active membership in ten professional societies and serves as a guest editor of the journal Toxicology and Applied Pharmacology. Dr. Gupta is the recipient of the Distinguished Researcher Award in 2006 from Murray State University, and is internationally known for his research in the field of pesticides and experimental brain research.