Kazimierz Prószyński

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Kazimierz Proszyński (1875 - 1945) was a Polish inventor.

In 1894, Proszyński built one of the first cinema cameras in the world. This pleograph, or apparatus for taking photographs and projecting pictures, was built before the Lumière brothers lodged their patent. Proszyński also made the first pocket film-camera and devised a method of synchronizing sound and film tracks.

He died in the German concentration camp of Mauthausen in 1945.

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