Frank R. Spellman is a retired assistant professor of Environmental Health at Old Dominion University, Norfolk, VA and author of more than 155 books. Spellman has been cited in more than 400 publications. He serves as a professional expert witness and incident/accident investigator for the U.S. Department of Justice and a private law firm and consults on homeland security vulnerability assessments (VAs) for critical infrastructure including water/wastewater facilities nationwide. Dr. Spellman lectures on sewage treatment, water treatment, and homeland security and health and safety topics throughout the country and teaches water/wastewater operator short courses at Virginia Tech (Blacksburg, VA). He holds a BA in Public Administration; BS in Business Management; MBA, Master of Science, MS, in Environmental Engineering and PhD Environmental Engineering.