Others: Why I Support CHI

 Charles Walbridge

“CHI and their cultural heritage collaborators are at the cutting edge of these digital technologies so I don't have to be.” More…


 Adam Rabinowitz

“When you support CHI, you support the preservation of our human past and guarantee it will have a future.” More…


 Jean Elliott

“When you give to CHI, you are enabling thousands of people to play a direct role in the stewardship of cultural heritage.” More…


 Tom Malzbender

“Give to CHI and you support the documentation and preservation of our human heritage.” More…


 Rita Albertson

“When you give to CHI, you support essential tools and practices that deeply improve the way we study cultural materials.” More…


 Dale Kronkright, Head of Conservation, Georgia O'Keeffe Museum

“When you make a gift to CHI, you are helping small institutions like mine thrive in the digital age and truly advance the preservation of our collections into the 21st century.” More…




Ana Nieves: Why I Support CHI

(See also Ana Nieves: Por qué apoyo a CHI)

Ana Nieves: Why I Support CHI

Field photo by Gori Tumi Echevarría

I am an art historian and Associate Professor at Northeastern Illinois University’s Art Department.

In January 2012, I took CHI’s excellent training class in Reflectance Transformation Imaging (RTI). I have since applied this imaging technique in the Nasca Valley, in Peru’s Department (region) of Ica, in collaboration with Peruvian archaeologist Gori Tumi Echevarría.

The sites there consist mostly of petroglyphs on poorly cemented sandstone. They are already damaged from natural processes like aeolian erosion and exfoliation. The rock art has attracted tourist traffic, and there is plenty of evidence of resulting damage, such as graffiti. Thorough documentation of these sites has become urgent before they are lost.

We use RTI to track the weathering of the rock surfaces and the destruction of the petroglyphs over the long term; with it, we can make the case for a conservation plan that would limit visits to these sites. We see RTI as critical to this documentation process: relatively straightforward to learn and inexpensive compared to other methods.

Wanting to extend RTI to Peruvians and other Spanish speakers, I volunteered to translate CHI’s user guides into Spanish (jointly with art curator Silvia Manrique), which I have used to train others in Peru. This is the chaining of knowledge that CHI intended when they set out to develop tools to save humanity's treasures.

When you support CHI, you support the power and reach of RTI. Please join me and give as generously as you can to CHI!

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