active 1944-1954, laboratory apparatus & instrument maker, London, England W and J George and Becker Limited 1910 - 1954
1936-c. 2005, manufacturer of electronic measuring and laboratory equipment, Croydon, England H W Wallace and Company Limited 1936 - 2005
1936-1999, plastics manufacturer (optics), London, Slough; England, British Combined Optical Industries Limited 1936 - 1999
1935-1989, manufacturer of fire & smoke detection equipment & gas cylinders, Colnbrook, England Walter Kidde Company Limited 1935 - 1989
1935-c.1981, television component and vacuum tube manufacturer, Cambridge, England Cathodeon Ltd. 1935 - 1981
active 1935-1960, aircraft component manufacturer, Lancashire, England De Havilland Propellers Limited 1935 - 1960
1935-2015, theatre scenographer; artist; portraitist, active England, Zimbabwean born Sonnabend, Yolanda 1935 - 2015
1935-1992, manufacturer of railway signalling equipment, England Westinghouse Brake & Signal Company 1935 - 19922
1936-2020; railway employee, railway manager, railway company director, railway board member, railway company director Edmonds, John Christopher Paul 1936 - 2020
1941; civil servant, railway company director, railway board member, railway company director Welsby, John K. 1941 - 2021
1941-1993, manufacturer of optical equipment; camera manufacturer, Russia Mechanical Factory of Krasnogorsk 1941 - 1993