Margarita Torres is a doctor and professor of medieval history at the Universidad de León. She has twice received the National Prize for Young Medievalists, awarded by the Spanish Society for Medieval Studies. In 2000 she was awarded the First National Prize for Genealogical Studies for her thesis on the medieval aristocracy of León and Castille, and in 2004 she was awarded the International Florianne Koskull Prize for her research work after a unanimous decision from the jury of the International Academy of Genealogy and Heraldry.

Author of more than 50 articles and papers, her best books include: 'Linajes nobiliarios en León y Castilla (siglos IX-XIII)', 'El Cid y otros señores de la guerra', 'Batallas legendarias y el oficio de la Guerra', and 'Enrique de Castilla'.