Michael Kuhar, Ph.D., is professor at the Yerkes National Primate Research Center, Candler professor in the Emory University School of Medicine, and a Georgia Research Alliance Eminent Scholar. His interests have included brain structure and function, mental illness, and the impact of drugs on the brain. Addiction has been his major focus for many years, and he is one of the field’s most productive and highly cited scientists. In June 2011, he received the Nathan B. Eddy lifetime achievement award from the College on Problems of Drug Dependence. Karl Drlica, Ph.D. is Principal Investigator at the Public Health Research Institute Center of the UMDNJ-New Jersey Medical School. His laboratory focuses on fluoroquinolone action and resistance with M. tuberculosis and other bacteria, including approaches to slowing the enrichment and amplification of resistant bacterial subpopulations. Dr. David S. Perlin is a Principal Investigator at the Public Health Research Institute (PHRI) of the UMDNJ-New Jersey Medical School. His laboratory explores mechanisms of antifungal drug resistance, rapid detection of bloodstream pathogens in high-risk patients, discovery of novel molecules to combat tuberculosis, and the development of small animal models for respiratory pathogens. Anne Maczulak is a Ph.D. microbiologist who has worked and consulted on water quality/sewage, and most recently for MedImmune manufacturing flu vaccine. She has written several books for Facts on File, as well as an encyclopedia of microbiology for younger readers, and one trade book, The Five-Second Rule and Other Myths about Germs. She provides independent consulting services to small and growing companies, academic research laboratories, and analytical labs through her company, Acorn GLP Consulting.