1921
active 1921-1947, publisher of psychological assessments, American
1901 - 1940
1901-1940, medical instrument manufacturer, London, England
1904 - 1973
1904-1973, supplier of wholesale chemicals & drugs, England, British
1901 - 1988
Wright, Elsie
1902 - 1999
source; model railway maker
1907 - 1986
Griffiths, Frances
1915 - 1945
1915-1945, camera manufacturer, London
1925 - 1998
active 1925-1998, manufacturer of pharmaceutical and medical supplies, Liverpool
1919 - 1972
(1839)1919-1972, photographic retailer; pharmacist, London, England
1919 - 1995
1919-1995, multimedia publisher, educational film makers, Chicago
1924 - 1967
active 1924/6-1967, electrical measuring & scientific instrument maker, London, England, British
1907
1907-1992, Button Makers, Birmingham
1905 - 1968
active 1900-1960s, manufacturer of electrical measuring equipment, Hendon, England
1911 - 1991
1911-1991, singer and songwriter, England
1898 - 1931
1898-1931, recording company; gramophone and radio manufacturer, British
1921 - 1996
Williams, Trevor Illtyd
1917 - 1958
1917-1958, manufacturer of projectors and cine equipment, Leeds, United Kingdom
1898 - 1968
active 1898-1968, compressor/engineering product manufacture, High Wycombe, Buckinghamshire, British
1913 - 1947
1913-1947, scientific instrument maker, Glasgow, Scotland & London, England
1923
1923-current (2010), manufacturer, United States
1904 - 1990
Gandolfi, Frederick Louis
1899 - 1993
Kadoorie, Lawrence (CBE)
1901 - 1979
1901-1979, inventor; photographer, British
1920 - 1958
1920-1958, crystallographer, British; English
1912
1891-active 1940s, silversmith; medalmaker, England
1907 - 1945
1907-1927, camera and photographic equipment manufacturer, Rochester, New York
1904 - 1945
active 1904-1948, optical instrument maker (spectroscopes etc.), London, England
1903
1903-, manufacturer of scientific instruments, Acton, London; Watford, England
1910 - 1977
Walter, William Grey
1908 - 1935
first patient to receive insulin injections
1912 - 1993
active, c. 1930 - current (2009), manufacturer of water purification equipment, United Kingdom
1926 - 1960
1926-1960, manufacturer of electrical & electronic radio and tv equipment, Southend-on-Sea, England
1915 - 1922
1915-1922, scientific instrument maker, London, England
1899 - 1969
Cochran and Company (Annan) Limited
active 1916-1972, telegraphic, telephonic and telecommunication equipment manufacturer, Glasgow, Scotland; Croydon, Surrey, England, British
1919 - 2008
active 1950s-1970s, 1919-2008, graphic designer; poster artist; artist, British
1912 - 1983
Dawson, George Duncan
1908 - 1997
active 1908-1997, manufacturer of bras, American
1909 - 1926
1909-1926, camera maufacturer, German
1899
1899-present, manufacturers, London
1924 - 1965
1924-c.1965, radio and television manufacturer, Slough; Kent
1903-1940s , camera manufacturer, retailer, Westminster, London, England
1901
1901-, manufacturer of Dr. Martens boots, England
1900 - 1907
1900-1907, camera manufacturer, Rochester, United States
1910 - 1999
1910-1999, first woman to receive a breast implant in Britain (1967), English
1901 - 1987
1901-1987, electrical & electronic engineering equipment manufacturer, England, British
1913 - 1984
1913-1984, photographer, British
1922 - 1964
1922-1964, manufacturer and supplier of razors and washing machines, London, England
1925 - 1970
1925-1970, game manufacturer, Leeds
1913 - 1989
Wightman, Frank