Louis Désiré Blanquart-Evrard

Louis Désiré Blanquart-Evrard (1802–1872) was a French photographer and publisher who made albumen printing practical and established a major photographic printing operation in Lille.

Albumen print: A photographic print made on paper coated with egg-white albumen and light-sensitive silver salts. Blanquart-Evrard’s 1850 process made this glossy paper printing method practical.
William Henry Fox Talbot: An English scientist and photography pioneer who developed the calotype negative-positive process. Talbot’s work established the paper-negative tradition that Blanquart-Evrard adapted.
Imprimerie Photographique de Lille: A photographic printing establishment founded by Blanquart-Evrard in Lille in 1851. It put his process to work producing photographs for books and other publications.
Photographic reproduction: The production of multiple photographic images from a negative or other master. Albumen printing made repeated paper positives a practical foundation of photographic circulation.
Salted paper print: An early photographic print made by sensitizing paper with salt and silver nitrate. Its matte surface and image formed within the paper contrast with albumen’s glossy surface image.
Hippolyte Bayard: A French photographer who developed a direct-positive photographic process on paper in the 1830s. Bayard was among the French pioneers whose experiments preceded Blanquart-Evrard’s work.
Photographic album: A book or bound collection in which photographs are mounted or printed. Albumen prints made photographic albums practical and visually consistent.
Carte de visite: A small portrait photograph mounted on a card, popularized in the 1850s and 1860s. The format’s mass circulation depended on inexpensive, repeatable albumen prints.
Calotype: A paper-negative photographic process patented by William Henry Fox Talbot in 1841. Its paper negatives provided an earlier route to multiple positive prints.
Louis-Jacques-Mandé Daguerre: A French artist and inventor who introduced the daguerreotype photographic process in 1839. The daguerreotype’s rise formed part of the photographic landscape Blanquart-Evrard entered.

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