José Luis Espejo Pérez
Helena R. Olmo quotes him in her article on the tomb of Gioconda. The television presenter and writer Christian Gálvez quotes him in his novel about Leonardo. Jesús Ángel Sánchez Rivera alludes to his "picturesque" theses in a work entitled "Seguir la corriente o navegar sobre las olas", published in the magazine Clio: History and History Teaching. He was a contributor to the magazine "Más allá de la Ciencia", in which he specializes in articles with historical content. He is also the author of the two books in the series "Temas de Historia Occulta".