(1839)1919-1972, photographic retailer; pharmacist, London, England Wallace Heaton Limited 1919 - 1972
active about 1920-1935, manufacturer of radio valves, Harrow, Middlesex, England, British Hivac Limited 1920 - 1935
active 1944-1954, laboratory apparatus & instrument maker, London, England W and J George and Becker Limited 1910 - 1954
1919- c1965, electrical instrument manufacturer, Weybridge, Surrey Peto Scott Electrical Instruments 1919 - 1965
active 1920-1964, aircraft manufacturer, Hatfield, Hertfordshire, England, British De Havilland Aircraft Company Limited 1920 - 1964
active 1920-1970, manufacturer of pharmaceuticals; chemical manufacturer, UK subsiduary of Swiss co Geigy (UK) Limited 1920 - 1970
1920-1979, electrical research organisation, British British Electrical & Allied Industries Research Association 1920 - 1979
1919-1995, multimedia publisher, educational film makers, Chicago Society for Visual Education Inc. 1919 - 1995
1920-1981, manufacturer of wireless components and audio equipment , Tottenham, England Wright and Weaire Limited 1920 - 1981
active 1950s-1970s, 1919-2008, graphic designer; poster artist; artist, British Stevens, Harry 1919 - 2008
1919-2010, ornithologist and photographer, Halifax, West Yorkshire (New Zealand) Warham, John 1919 - 2010
1914-2004, engineer and inventor of computerised tomography, British Hounsfield, Sir Godfrey Newbold 1919 - 2004
1919-2000, graphic designer; poster artist; commercial artist, German Rothholz, Hans Arnold 1919 - 2012