This story begins with an experiment. In 1948 the Madam and her Doctor hired a cadre of freshly minted college graduates who looked more like door-to-door salesmen to become the front line in the war against syphilis. The Madam was not at all convinced these college men could do the dirty work. They proved otherwise and became Public Health Advisors or PHAs . Fast forward to September 11, 2001...the descendents of the original PHAs were the reason that CDC s aircraft could fly lifesaving equipment and personnel to Ground Zero despite the grounding of all civilian aircraft. By this time, PHAs were known as the ones who got things done. This powerful book takes the reader into the amazing world of these exceptional men and women who have called themselves Public Health Advisors. The true stories contained in these pages span humanitarian disasters such as floods, nuclear disasters, the fall of Saigon; and introduce the uninitiated to the bravery of smallpox eradication, hantavirus discov