Frances Luttikhuizen (1939-2022) was born in Iowa, in the United States, in a family of Dutch descent and Calvinist beliefs. In 1958 she married David Estrada, a Catalan student, and moved to Barcelona, where she had two sons, David and Pau. During the 1960s, she taught at the Institute of North American Studies. After graduating in Philology from the University of Barcelona, she won a position as professor of English, which she held until retirement at the public high school "IES Montserrat" of Barcelona. She also worked as an associate professor of languages for specific purposes at the Faculty of Geology of the University of Barcelona. Her husband David Estrada became professor of Aesthetics at the Faculty of Philosophy of the University of Barcelona.
On the occasion of the 500th anniversary of the Protestant Reformation, she published three scholarly volumes: Underground Protestantism in Sixteenth Century Spain (2016), España y la Reforma Protestante (1517-2017) (2017) and 500 anys de repte protestant a la Península Ibèrica (2018). In 2019 she wrote The Legendary Luttikhuizens from De Valk, a biographical book dedicated to her father where she tells the story of her family from their origins in Holland to the present, including their emigration to the United States at the beginning of the 20th century. She also was the chief editor and one of the authors of the book Un dia de fúria ("A Day of Fury") on the storming of the Palace of the Inquisition in Barcelona on March 10, 1820. Published by Publicacions de l'Abadia de Montserrat, it was presented at the Museum of the History of Barcelona (MUHBA) on March 10, 2020. Her last work (2022) is a biography of Constantino de la Fuente (1502-1560), a preacher from the cathedral of Seville later condemned as a "Lutheran" heretic, with an introduction by Henry Kamen.