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She made collages of the cutouts and turned them into photogravures, a printing process that smoothed the various clippings into one flat image.

“Foundling Warrior Quest” appears in the form of photogravures that she later made from those images in 2010.

The National Gallery of Art, though, wants visitors to use the other side of their brains, seeing Charles Le Morvan’s 1914 photogravures as not just maps of the Moon, but art.

An English artist, Cornelia Parker, has revived Talbot’s photogravure process: a sheet of metal is covered in light-sensitive chemicals, then objects are laid directly onto it.

For 30 years, beginning in 1906, Curtis traveled the United States, photographing portraits, landscapes and the daily lives of 80 Native American tribes, images that were collated in a 20-volume history and 723 photogravure prints.