Léon Guillaume Bouly (; 1872–1932) was a French inventor who created the word
cinematograph
Cinematograph or kinematograph is an early term for several types of motion picture film mechanisms. The name was used for movie cameras as well as film projectors, or for complete systems that also provided means to print films (such as the ...
.
Cinematograph
After devising
chronophotography
Chronophotography is a photographic technique from the Victorian era which captures a number of phases of movements. The best known chronophotography works were mostly intended for the scientific study of Animal locomotion, locomotion, to discov ...
devices, Bouly applied a patent on a reversible device of photography and optics for the analysis and synthesis of motions, calling it the ''Cynématographe Léon Bouly'' on February 12, 1892. On December 27, 1893, he shortened the name of his device to '.

This device is able to both shoot and project film. It uses a sensitive film without perforations and all principles required by cinematography are available: most notably, the film's jerky movement through the camera's gate is synchronized with the shutter. Two of these devices are conserved in the French
Conservatoire National des Arts et Métiers
The (; ; abbr. CNAM) is an AMBA-accredited French ''grande école'' and '' grand établissement''. It is a member of the '' Conférence des Grandes écoles'', which is an equivalent to the Ivy League schools in the United States, Oxbridge in th ...
.
In 1894, Bouly could not pay the fees for his patents and the name "" became available again. He sold his rights to the device and its name to the
Lumière Brothers
Lumière is French for 'light'.
Lumiere, Lumière or Lumieres may refer to:
Buildings
* Lumière, a building used by the Bibliothèque publique d'information in Paris, France
* Lumiere (skyscraper), a cancelled skyscraper development in Leeds, ...
, who applied it to their own device in 1895.
References
* Michel Auer, Michèle Ory. ''Histoire de la caméra ciné amateur''. Éditions Big; Geneva, 1979, pp. 44, 46–47.
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1872 births
1932 deaths
18th-century French inventors