John ParascandolaJohn Parascandola received his PhD in the history of science from the University of Wisconsin-Madison and later served as the chief of the History of Medicine Division of the National Library of Medicine and as the Public Health Service historian. Th author of The Development of American Pharmacology (1992) and Sex, Sin, and Science: A History of Syphilis in America (2008), he is currently a historical consultant and teaches courses in the history of modern biology and of poisons at the University of Maryland. He lives in Rockville, Maryland. Read More Read Less