Johann Baptist Isenring
Encyclopedia
Johann Baptist Isenring was a Swiss
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 painter, printmaker and daguerreotypist
Daguerreotype
The daguerreotype was the first commercially successful photographic process. The image is a direct positive made in the camera on a silvered copper plate....

. In 1840 or 1841 he produced the first coloured daguerreotype using a mixture of gum arabic and pigments. The coloured powder was fixed on the delicate surface of the daguerreotype by the application of heat. The result was one of the earliest examples of hand-colouring
Hand-colouring
Hand-colouring refers to any method of manually adding colour to a black-and-white photograph, generally either to heighten the realism of the photograph or for artistic purposes...

in photography.
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