John Warren Butterfield 1801–1869 Source: Wikimedia Commons About John Warren Butterfield American businessman, Butterfield Overland Mail founder People from the Same Era John C. Lord 1805–1877 writer Washington Péter Rajka 1807–1897 mechanical engineer Târgu Mureș Juan Francisco Balta 1806–1892 military personnel, politician Lima William Hamilton, 11th Duke of Hamilton 1811–1863 politician London Govert van Emmerik 1808–1882 painter Dordrecht John George Howard 1803–1890 architect, civil engineer, engineer Bengeo