Eric Tigerstedt

Eric Magnus Campbell Tigerstedt was one of the most significant inventors in Finland at the beginning of the 20th century and has been called the "Thomas Edison of Finland". He was a pioneer of sound-on-film technology and made significant improvements to the amplification capacity of the vacuum valve. Having seen a showing of the Lumière brothers' new motion picture technology as a 9-year-old boy in Helsinki in 1896, he was inspired to bring sound to silent pictures. Many years later, in 1914, his demonstration film Word and Picture was presented to a gathering of scientific dignitaries in Berlin, but his invention was never commercialised. In addition to improving ... more on Wikipedia

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