Art historian, archivist and archaeologist. In Barcelona, ​​he studied Law and Letters, and in Madrid, he received his doctorate in Law. In 1914, he became an archivist at the Cervera Municipal Archive. In 1917, he was appointed municipal archivist of the city of Barcelona. With his efforts as director, the History Archive of the City of Barcelona was opened in 1921.

Spanish art historian and university professor. Originally from the capital of Aragon, Gállego developed an affinity for the law, which led him to study law. Later, though, he discovered that the study of art was where he would apply his skills. Gállego received his doctorate in Art History at the Sorbonne University, Paris. There, he would meet Pablo Picasso, whose work inspired various texts (Picasso: suite Vollard, De Velázquez a Picasso: crónicas de París, 1954-1973). Gállego remained in Paris until 1970. In Spain, he worked as a professor at the Complutense University of Madrid.

Academic art historian; and professor. Gómez-Bárcena completed her university degree in Philosophy and Letters (History section). She achieved her PhD in 1998 under the guidance of José María de Azcárate Ristori at the Universidad Complutense de Madrid. Her thesis is titled “Escultura gótica funeraria en Burgos y su provincia.” She held various positions, including University Lecturer in the Medieval History Department, faculty member in the Geography and History departments, all at the Universidad Complutense de Madrid.

Spanish professor, historian, and academic who concentrated in research regarding Mudejar art, ceramics, and the city of Toledo at large (La Virgen del Prado y la cerámica de Talavera de la Reina, La loza dorada). After graduating with a B.A. in History from the Universidad Complutense in Madrid, she achieved a law degree there as well. She achieved her doctorate in history, also at the Complutense University, with a thesis covering Mudejar art from Toledo.