Brian R. Shmaefsky, Ph.D., is a professor of biology at Lonestar College in Kingwood, Texas. He did his undergraduate studies in biology at Brooklyn College in New York and completed his master's and doctoral studies at Southern Illinois University at Edwardsville. Dr. Shmaefsky also completed graduate work in environmental physiology at University of Illinois and Rocky Mountain Biological Laboratory. His research emphasis is in environmental toxicology issues and sustainable development. He has published books on topics such as biotechnology, human anatomy and physiology, and infectious diseases. Dr. Shmaefsky lives in Kingwood, Texas. Foreword by David Heymann, World Health Organization