an Entity references as follows:
Matilde Elena López (20 February 1919 – 11 March 2010) was a Salvadoran poet, essayist, playwright and literary critic. Her most important works include “Masferrer, alto pensador de Centro América”, “Cartas a Grosa” and “La balada de Anastasio Aquino”. In 1958 she joined the University of El Salvador where she worked as professor, director of the Department of Arts and Vice Dean of the Faculty of Humanities. She has also taught at the Universidad Centroamericana "Jose Simeon Cañas". Her 1978 play, The Ballad of Anastasio Aquino is dedicated to the Salvadoran indigenous leader Anastasio Aquino.