Antonio de León y Gama

Antonio de León y Gama (1735–1802) was a Mexican astronomer, anthropologist and writer.

When in 1790 the Aztec calendar stone (also called sun stone) was discovered buried under the main square of Mexico City, he published an essay about it, Descripción histórica y cronológica de las dos piedras que con ocasión del nuevo empedrado que se está formando en la plaza principal de México, se hallaron en ella el año de 1790 (Historical and chronological description of two Stones that were found in the plaza of Mexico in 1790 upon the occasion of laying the new pavement) explaining the functioning of Aztec calendars.

[1][2] Antonio de León y Gama was born in 1735, the son of a jurist in the city of Mexico, who was notable due to being the author of a book on contracts; His mother died at his birth.

"[4] Antonio de León y Gama wrote works in different fields of science, such as astronomy, medicine, or history, although he is most known for his description of the discovery of the Aztec calendar stone.

It was published by Felipe de Zúñiga y Ontiveros, owner of one of the most important printing establishments in America at the time.

Illustration depicting an ancient Mexican calendar, of Antonio de León y Gama's book on the discovery of the sun stone. Digitally restored
Title page of León y Gama's book