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
1947-1990s; aircraft maintenance, manufacturer of electronic equipment; Haddenham, Buckinghamshire, England Airtech Ltd 1947 - 1999
1944; railway employee, railway engineer, railway engineering manager, railway company director Rollin, David 1944 - 2021
1945-2000, manufacturer of insulated cables, Helsby, England British Insulated Callenders Cables Plc 1945 - 2000
1947-1966, marine and aero navigation instrument designer; manufacturer, British Kelvin and Hughes Limited 1947 - 1966
1943-1948, manufacturer of aircraft and ballpoint pens, Reading, England Miles Aircraft Co 1943 - 1948
1943-2004, manufacturer of cryptographic and photographic equipment, Switzerland Gretag AG 1943 - 2004
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