Lawrence M. Wein uses advanced mathematics and operations research to address bioterrorism risks. He was praised and vilified in 2005 for a New York Times Op-Ed in which he explained how terrorists could poison the nation's milk supply. He calls himself "a probabalist." He has looked at the consequences of attacks using anthrax, smallpox, and botulinum. He's also used his techniques to study Alzheimer's disease, organ-transplant waiting lists, border-security issues, pandemic influenza, and port security.