1804-1867, printer; inventor of type of colour printing process, British, English Baxter, George 1804 - 1867
1804-1881, novelist; prime minister; earl of Beaconsfield, Jewish; British; English Disraeli, Benjamin 1804 - 1881
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
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
1804-1827, partnership; lathe and precision tool manufacturer, London, England, British Holtzapffel and Deyerlein 1804 - 1827
1921-?, family planning, health and marital advice clinic, London, England, British The Mother's Clinics of the Society and Clinic for Constructive Birth Control and Racial Progress 1800