(Oña, España, 1491 - Tampico, 1571)
"Andrés de Olmos (Oña, Burgos, circa 1485 - Tampico, Nueva España, 8 de octubre de 1571) fue un misionero franciscano conocido por su labor como filólogo del náhuatl, huasteco y totonaco."
"Andrés de Olmos (c.1485 – 8 October 1571), Franciscan priest and extraordinary grammarian and ethno-historian of Mexico's Indians, was born in Oña, Burgos, Spain, and died in Tampico in New Spain (modern-day Tampico, Tamaulipas, Mexico). He is best known for his grammar, the first in the New World, of the Classical Nahuatl language."