Charles Harper Bennett (born 1840 in London, died 1927 in

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

) was an English photographic pioneer. He improved the

gelatin silver process The gelatin silver process is the most commonly used chemical process in black-and-white photography, and is the fundamental chemical process for modern analog color photography. As such, films and printing papers available for analog photography ...

developed by

Richard Leach Maddox Richard Leach Maddox (4 August 1816 – 11 May 1902) was an English photographer and physician who invented lightweight gelatin negative dry plates for photography in 1871. Early life Richard Leach Maddox was born at Bath, England, on 4 Augu ...

, first in 1873 by a method of hardening the emulsion, making it more resistant to friction, and later in 1878 Bennett discovered that by prolonged heating the sensitivity of the emulsion could be greatly increased. This increased sensitivity resulting enabled shooting at 1/25 second, paving the way for the snapshot.

References

{{DEFAULTSORT:Bennett, Charles Harper 1840 births 1927 deaths English inventors 19th-century English photographers