# Louis Désiré Blanquart-Evrard 1869 photograph BNF Gallica

- By: Louis Désiré Blanquart-Evrard
- Date: 1869 for photograph, 2013-02-17 17:15:50 for upload.
- Classification: Painting
- Credit line: Bibliothèque nationale de France
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Louis_D%C3%A9sir%C3%A9_Blanquart-Evrard_1869_photograph_BNF_Gallica.jpg)
- Rights: Public domain
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Louis_D%C3%A9sir%C3%A9_Blanquart-Evrard_1869_photograph_BNF_Gallica.jpg/1920px-Louis_D%C3%A9sir%C3%A9_Blanquart-Evrard_1869_photograph_BNF_Gallica.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Louis Désiré Blanquart-Evrard (1802-1872), French chemist, printer and photographer, inventor of the albumen print process in photography. Reproduction (by the author himself) in his 1869 book (La photographie, ses origines, ses progrès, ses transformations / by Blanquart-Evrard) of an albumen print.