Constantino Reyes-Valerio (10 January 1922 - 13 December 2006) was a prominent Mexican scholarof pre-Columbian Mesoamerican cultures, particularly the Aztec and the Maya as well as the Colonial Art. Reyes-Valerio identified the artistic contribution of Native Mexican Indians in the Colonial painting and sculpture; he coined the termIndochristian art. Another major contribution was his seminal work on the chemical composition and process of the Maya Blue Pigmentwhere he re-discovered the technique used by the Maya to create the famous turquoise blue pigment. He was granted a Guggenheim Fellowship in 1972 for Fine Arts Research. He corresponded extensively with major scholars in Mexico and abroad such as George Kubler, Santiago Sebastian and Enrique Marco Dorta among others. In 2000 he was n