Thomas H. Keels is a historian and lecturer who has authored or co-authored seven books and numerous articles on Philadelphia history, including Forgotten Philadelphia: Lost Architecture of the Quaker City (Temple), Philadelphia Graveyards and Cemeteries, and Wicked Philadelphia: Sin in the City of Brotherly Love. A confirmed taphophile, Keels has been a tour guide at Laurel Hill Cemetery, Philadelphia’s premier Victorian necropolis, for two decades. Visit him online at http://www.thomaskeels.com/.