Frederik Dahl 1822–1920 Source: Wikimedia Commons People from the Same Era Edmond Taigny 1828–1906 art collector, art historian, official Paris Justine Henrietta Ross 1815–1894 photographer Mathilde Marie Schottländer 1814–1891 homemaker Berlin Johann Friedrich Steinmann 1819–1872 scientist Saint Petersburg Wilhelm Bergsten 1828–1905 artist Stockholm City Armand Saintis 1822–1894 composer, organist Montauban