John Monroe Van Vleck 1833–1912 Source: Wikimedia Commons About John Monroe Van Vleck American mathematician (1833–1912) People from the Same Era E. Henry Powell 1839–1911 lawyer, politician Richford Donato Di Marzo 1840–1911 politician Tufo Charles de Freycinet 1828–1923 engineer, official, politician, writer Foix John H. Mitchell 1835–1905 lawyer, politician Washington County Sir John Ramsden, 5th Baronet 1831–1914 politician Alexander Jegorowitsch von Wrangell 1833–1915 diplomat, jurist Narva