• Thumbnail for William Fox (producer)
    German inventors (Josef Engl (1893–1942), Hans Vogt (1890–1979), and Joseph Massolle (1889–1957)), and the work of Theodore Case to create the Fox Movietone...
    15 KB (1,666 words) - 08:59, 24 April 2024
  • from around 1919 by three German inventors, Josef Engl (1893–1942), Joseph Massolle (1889–1957), and Hans Vogt (1890–1979). The system used a photoelectric...
    41 KB (5,215 words) - 13:39, 15 January 2024
  • Thumbnail for Sound film
    German inventors, Josef Engl (1893–1942), Hans Vogt (1890–1979), and Joseph Massolle (1889–1957), patented the Tri-Ergon sound system. On September 17,...
    149 KB (18,829 words) - 20:28, 26 April 2024
  • Thumbnail for Lee de Forest
    (German inventors Josef Engl (1893–1942), Hans Vogt (1890–1979), and Joseph Massolle (1889–1957)) and investigating other European sound film systems. In...
    67 KB (8,948 words) - 09:47, 23 April 2024
  • Vogt: Invented sound-on-film (idea 1905) together with Jo Engl and Joseph Massolle, first sound-on-film for the public on 17 September 1922 in Filmtheater...
    47 KB (5,578 words) - 01:59, 4 April 2024
  • Thumbnail for List of nominees for the Nobel Prize in Chemistry
    org. April 2020. Retrieved 11 November 2020. "Nomination Archive – Joseph Massolle". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination...
    358 KB (12,268 words) - 15:32, 2 May 2024