Louis Arthur Ducos du Hauron

Louis Ducos du Hauron ( born December 8, 1837 in Langon, Gironde, † December 31, 1920 in Agen ) was a French photography pioneer of color photography.

He invented in 1862, several methods to take color photographs with both additive (red- green-blue ) and subtractive (cyan - magenta-yellow ) color mixing. 1868 he patented several methods. In 1869 he published his book " Les couleurs en photographie ". His color photograph of the city of Agen is one of the first color photos in the subtractive method.

He presented the first colored pigment prints on the principle of subtractive color mixing: When three negatives through red, blue and green filters (see color filter ) started showing it produced transparencies the original colors when considering this and the complementary colors cyan, yellow Purple sounds and superimposing.

At the same time also put Charles Cros before the description of a similar proceeding in respect of the Société Francaise de Photographie. You Hauron Cros and then worked together.