Johann Baptist Isenring

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Johann Baptist Isenring: The Königssee in Berchtesgaden, oil on wood, 1823
Peter Wilhelm Friedrich von Voigtländer (1812-1878), Austrian optician and photography pioneer. Daguerreotype of Johann Baptist Isenring approx. 1843, format 242 × 187 mm

Johann Baptist Isenring (1796–1860) was a Swiss painter, printmaker and daguerreotypist. 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 in photography.

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