Frank R. Spellman is a retired assistant professor of Environmental Health at Old Dominion University, Norfolk, Va. and author of over 155 books. Spellman has been cited in more than 400 publications; serves as a professional expert witness; 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.