Maria Moliner was 66 years old when the well-known Spanish Dictionary of Use was published.

María Moliner was born on March 30, 1900 in Paniza, Zaragoza, although soon after her parents would move to Madrid for a while, however, after her father's departure and returning to Zaragoza, she had to help at home and as a very young woman she began to teach Latin, mathematics and history, being a teenager. She trained and worked as a philologist and lexicographer in the Estudio de Filología de Aragón, directed by Juan Moneva from 1917 to 192…