LOUIS THEODORE, Eng. Sc.D., is a consultant for Theodore Tutorials, a company specializing in providing training solutions to industry, academia, and government. In addition to receiving awards from both the International Air and Waste Management Association and the American Society for Engineering Education, Dr. Theodore is the author/coauthor of numerous books, including Nanotechnology: Environmental Implications and Solutions; Introduction to Hazardous Waste Incineration, Second Edition; and Handbook of Chemical and Environmental Engineering Calculations (all published by Wiley).