Published 2020 | Version v1
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Juan de Sedeño and Fernando de Rojas.

Authors/Creators

  • 1. Real Academia Alfonso X el Sabio - Murcia

Description

Title: Juan de Sedeño and Fernando de Rojas.
Author: Dr. Govert Westerveld.
Publication Date: 2020 (Copyright June 4, 2020).
ISBN: 978-1-71686-700-2 (Hardcover – Lulu Editors).
Summary: In this groundbreaking volume, Dr. Govert Westerveld, official historian of the World Draughts Federation (FMJD), provides scientific evidence to solve a centuries-old literary enigma: the "missing years" and true literary output of Fernando de Rojas, the author of La Celestina. Applying a rigorous "forensic history" methodology and advanced computational stylometry (JGAAP), the author demonstrates that Juan de Sedeño was not an independent historical figure, but a strategic pseudonym used probably by Fernando de Rojas.
The book reveals how the Oficina Lucena—a clandestine network of judeoconverso intellectuals—orchestrated a web of identities to protect their intellectual legacy from the Inquisition. By tracing the "linguistic fingerprint" of Rojas from his legal testament in Talavera to the works published under Sedeño’s name in Italy and Spain, the research proves that the same strategic mind that helped codify modern chess was a prolific author of chivalric and sentimental novels.
Key Discoveries and Highlights:
  • Stylometric Validation (JGAAP): The author uses JGAAP to confirm that the unique idiolect found in Fernando de Rojas's 1541 will matches the works attributed to Juan de Sedeño, such as the Suma de varones ilustres and the versification of La Celestina.
  • Authorship of Arte de Ajedrez (1497): A technical deconstruction of the first modern chess book proves that while Gonzalo Fernández de Oviedo was the technical expert, Fernando de Rojas probably wrote the introduction and the majority of the rules under the pseudonym Lucena.
    • The Italian Connection: Evidence that a man as Sedeño worked as a corrector and editor in Venice between 1530 and 1534, and served in the court of Lucrezia Borgia in Ferrara.
  • Scientific Support for the Snow Hypothesis: The book provides the stylometric data required to validate Professor Joseph Snow’s 1978 intuition regarding the connection between Sedeño and Rojas.
  • Pseudonym Mapping: Identification of other "literary masks" used by Rojas, including Alonso Hernández for the Historia Partheneopea.
 

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