1810-1891 1846-1914 1847-1931 1906-1938 19thcentury 20thcentury annamarie barnum biography capitalpunishment cincinnati circus circusanimals circusowners edison electricity elephants experiments george hahn history hv8696e78e2003 inventors murder ohio thomasa topsy(elephant) trials(murder) unitedstates westinghouse womenserialmurderers