Mercedes Los Reyes Peña, professor at the Faculty of Philology at the University of Seville, has died. A regular contributor to CET projects since its foundation, she was a member of the scientific boards of the journals Sinais de Cena and ponto. Her pioneering essays on theatre history in Portugal include the Virtual Reconstruction of Lisbon’s Pátio das Arcas, a digital resource that the CET is proud to have produced. A model of scientific rigour in research, he knew how to instil it in young researchers, who also benefited from his generosity in sharing knowledge.