Before revision: History In 2023 , Jean-Charles Gille-Maisani stated that Juan Huarte de San Juan's 1575 Examen de ingenios para las ciencias was the first book on handwriting analysis.
After revision: History In 1991 , Jean-Charles Gille-Maisani stated that Juan Huarte de San Juan's 1575 Examen de ingenios para las ciencias was the first book on handwriting analysis.