Constant Martha 1820–1895 Source: Wikimedia Commons About Constant Martha French philologist (1820-1895) People from the Same Era Benjamin Franklin Jones 1824–1903 businessperson Claysville Zinaida Keyserling 1821–1885 Saint Petersburg Leonardo Ferreira Marques 1817–1894 politician Ceará Melancthon Brooks Woolsey 1817–1874 military officer Charles Harvey Denby 1830–1904 diplomat, writer Sven Hellerström 1822–1877 politician, wholesaler Karlshamn