1809-1849 1847-1931 19thcentury authors barnum barnum'samericanmuseum biography circus circusanimals circusowners correspondence edgarallan edison electrocution elephants experiments fiction fraud history impostorsandimposture inventors magictricks museums pealefamily poe popularculture robots socialaspects sociallifeandcustoms topsy(elephant) tricksters trompel'oeilpainting unitedstates