Léopold Leclanché 1813–1871 Source: Wikimedia Commons People from the Same Era Charles Somers-Cocks, 3rd Earl Somers 1819–1883 politician Avery Williams Nelson 1821–1901 politician Frederick A. Sawyer 1822–1891 politician, teacher Bolton Lin Hongnian 1805–1885 politician Houguan Charles Ferdinand Pahud de Mortanges 1803–1873 politician Amsterdam Vincenzo Troya 1806–1883 pedagogue, superintendent, teacher, university teacher, writer Magliano Alfieri