John ParascandolaJohn Parascandola is a lecturer in the Department of History at the University of Maryland. He has served as Chief of the History of Medicine Division of the National Library of Medicine, after which he became the Public Health Service Historin, a position he held until his retirement in 2004. He is also the author of The Development of American Pharmacology: John J. Abel and the Shaping of a Discipline (1992). Read More Read Less