Aaron D. PurcellAaron D. Purcell is professor and director of special collections at Virginia Tech. He earned a Ph.D. in history from the University of Tennessee, a M.L.S. from the University of Maryland, College Park, and a M.A. in history from the University of Loisville. Purcell has also worked at the National Archives and Records Administration, the National Library of Medicine, and the University of Tennessee. Read More Read Less