John Ambrose Fleming 1849–1945 Source: Wikimedia Commons About John Ambrose Fleming English electrical engineer and physicist (1849-1945) People from the Same Era Tytus Dalewski 1840–1864 Vilnius Ferdinand von Raesfeld 1855–1929 environmentalist, forester, non-fiction writer, writer Dorsten Ramón Jáudenes Álvarez 1841–1884 cartographer, military personnel A Coruña George Couderc 1850–1928 agronomist, botanist, winegrower Aubenas Hermann von Stutterheim 1843–1909 judge Holzminden Natan Krieger 1841–1903 photographer