Takeuchi Tsuna 1840–1922 Source: Wikimedia Commons About Takeuchi Tsuna Japanese businessperson (1840-1922) People from the Same Era Antonín Řivnáč 1843–1917 politician, publisher Prague Teppo Jänis 1850–1921 Suistamo Sophie Opel 1840–1913 entrepreneur Dornholzhausen Ernst Hübner 1840–1905 engineer, industrialist Emilio Barbieri 1848–1899 singer Mezzana Isidre Reventós i Amiguet 1849–1911 master of the works, poet Barcelona