 He died after the emergence of electric lights, the telephone, and the invention of the phonograph. The renewed orator and traveler loved and used most of these elements of modernity and technology. Douglass was the most photographed American of the 19th century, explained in this book and especially by the intrepid research of three other scholars I write upon. Although it can never really be measured, he may also have been, along with Mark Twain, the most widely traveled American public figure of his century.