Peter Griess 1829–1888 Source: Wikimedia Commons About Peter Griess German chemist who discovered the diazotization reaction (1829–1888) People from the Same Era Antal Kerpely 1837–1907 metallurgical engineer, secretary of state, university teacher Curtici Adam Leining b. 1836 politician Germany Franz Duschek 1830–1884 photographer John Davidson 1825–1881 military officer Fairfax County Henry Adams 1838–1918 art historian, editor, historian, historian of Modern Age, journalist, mathematician, novelist, secretary, writer Boston Elias Álvares Lobo 1834–1901 composer Itu