The intuition of a policeman to guess a crime, united to the perseverance of a hunter when he pursues a good piece, seem to be the two fundamental faculties he possesses hervás to solve the enigmas presented by Goya space in the final years of his Stay in Madrid. It is worth reading and taking into account the conclusions of it. From the prologue of Antonio Bonet Correa, academic of the Royal Academy of Fine Arts of San Fernando.