Dr. Charles F. Levinthal is Chair of the Department of Psychology and Professor of Psychology at Hofstra University, where he has taught and conducted research since 1971, having received his Ph.D. in Experimental Psychology from the University of Michigan. He is author of fifteen books, including Drugs, Behavior, and Modern Society, 7th ed. (2012),Drugs, Society, and Criminal Justice, 3rd ed. (2012),Point/Counterpoint: Opposing Perspectives on Issues of Drug Policy (2003), Introduction to Physiological Psychology, 3rd ed. (1990), and Messengers of Paradise: Opiates and the Brain (1988). Drugs, Behavior, and Modern Society has been published in Korean (2008), and Messengers of the Paradise: Opiates and the Brain has been published in Spanish (1989) and Japanese (1991). His present research interests include issues in substance abuse and dependence, clinical neuropsychology, and cognitive decision-making. Dr. Levinthal presented the Hofstra University Distinguished Faculty Lecture in 1987 and was voted by the graduating Class of 2003 as Distinguished Teacher of the Year. Dr. Levinthal was elected as a Fellow of the American Psychological Association in 2010.