1860-1930, bacteriologist researching cholera and plague, Russian Haffkine, Waldemar Mordecai Wolfe 1860 - 1930
1853-1863, manufacturer of sewing machines and surgical needles, American Singer Manufacturing Company 1853 - 1863
active 1870s -1950s, herbalist; supplier and manufacturer of materia medica, London, England Potter and Clarke Limited 1875
1905-2000, printer; publisher; playing card manufacturer, Leeds; London, England John Waddington Limited 1922
1880-, engine manufacturer; hydraulic engineer; mechanical engineer; electrical engineer W H Allen, Sons and Company Limited 1880
1922-1978?, manufacturer of wireless (radio receiver) components and valves, Blackheath, Kent, England, United Kingdom Burndept Limited 1922
1850-1945, electrical engineer; inventor of a type of bicycle, British Hedges, Killingworth William 1850 - 1945
1911-1932, telephone exchange manufacturer, Liverpool, England Automatic Telephone Manufacturing Company 1911 - 1932
1853-1936, collector; pharmacist; benefactor, American; naturalised British Wellcome, Sir Henry Solomon 1853 - 1936
1850-1917, inventor, film maker, chronophotographer, physiologist, French Demeny, Georges 1850 - 1917
active 1929-current, research institute for public health, London, England London School of Hygiene and Tropical Medicine 1929
1828-1918, manufacturer of engines; manufacturer of agricultural machinery, Grantham, England R. Hornsby and Sons Limited 1828 - 1918
active 1851-1950, globe maker; mathematical & scientific instrument maker; optician, London, England, British Newton and Company Limited 1851
active 1888-1920s, electrical measuring instruments (light meters etc), New Jersey, United States Weston Electrical Instrument Company 1888
active 1932-1986, manufacturer of meteorological instruments, United Kingdom Francis Barker and Son (1932) Limited 1932 - 1986
active 1908-2007, science teaching measuring instrument manufacturer, Manchester, England George Cussons Limited 1908 - 2007
