Dr. Richard Leach Maddox (* 4 August 1816; "† 11. May 1902) was an English physician and amateur photographer, lived in London.

In the year 1871 succeeded Richard Leach Maddox the development of the photographic drying plate with a bromine silver gel layer, which corresponded to the up to then common wet plate in sensitivity. The photographer could its complete darkroom with itself from now to as many as desired drying plates manufacture and did not have no more lead. The plates could be prefabricated also industrially. This new technology introduced among other things the upswing of the travel photography. It is to be owed to the separation from admission and development, made possible by this development, that the photography became something for everyone. Finally everyone does not develop its films themselves.

Charles Bennet found 1878 out that the sensitivity of this bromine silver gel drying plate could be increased, if the sensitive bromine silver gel layer were warmed up some time. Bennett could in such a way manufacture plates, which permitted exposure times of fractions of one second. Thus the wet disk procedure was finally displaced.

See also: Photo pioneer

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