1804-1867, printer; inventor of type of colour printing process, British, English Baxter, George 1804 - 1867
1803-1866, active 1819-1866, mathematical, optical & nautical instrument maker, Berlin, Germany Oertling, Johann August Daniel 1803 - 1866
1804-1881, novelist; prime minister; earl of Beaconsfield, Jewish; British; English Disraeli, Benjamin 1804 - 1881
1802-1875, pioneer of telegraphy, scientist and contributor to optics, English; British Wheatstone, Sir Charles 1802 - 1875
1801-1870, microscopist and photographic pioneer, English; British Reade, Joseph Bancroft 1801 - 1870
1801-1870, engineer; shipwright; naval architect, English; British Ditchburn, Thomas Joseph 1801 - 1870
active 1827-1854, microscopist, spectacle maker, draftsman and patent agent, English; British Pritchard, Andrew 1804 - 1882
active 1830-1867, optical instrument maker (astronomical & geodetical), German Repsold, Georg 1804 - 1867
1803-1887, mechanical engineer; machine tool manufacturer, British; English Whitworth, Sir Joseph 1803 - 1887
active 1832-1859 , optician and optical instrument maker, French Chevalier, Charles Louis 1804 - 1859
active 1855-1865, physicist; watchmaker; scientific instrument maker, French Bréguet, Louis Clement François 1804 - 1883