Valentin Joseph Siekaczyński 1806–1878 Source: Wikimedia Commons People from the Same Era Gustav Friedrich Beyer 1812–1889 politician Berlin Charles Christofle 1805–1863 business executive, businessperson, entrepreneur, goldsmith, silversmith Paris Tomasz Napoleon Nidecki 1807–1852 composer, conductor, music educator, pianist, theatre maker, violinist Warsaw Eugène Pluchart b. 1809 painter, photographer Saint Petersburg Quirinus Johannes Goddard 1816–1906 physician, teacher Schiedam Henriette Goldschmidt 1800–1870