El Greco El Greco officially complained about this event. A few months later, on 18 September 1572, he paid his dues to the Guild of Saint Luke in Rome as a miniature painter. At the end of that year, El Greco opened his own workshop and hired as assistants the painters Lattanzio Bonastri de Lucignano and Francisco Preboste. In 1577, El Greco migrated to Madrid, then to Toledo, where he produced his mature works. At the time, Toledo was the religious capital of Spain and a populous city with "an illustrious past, a prosperous present and an uncertain future". In Rome, El
Posthumous fame of El Greco impeccable originality because it is not possible to avail yourself of El Greco's language, if in using it, it is not invented again and again, by the user." To the Blaue Reiter group in Munich in 1912, El Greco typified that "mystical inner construction" that it was the task of their generation to rediscover. Two years after the publication of Cossío's catalog, in 1910, another art historian, Borja de San Román, published his own research about El Greco, which included 88 new documents, among which the proxy where El Greco directed that his son, Jorge Manuel, should have the power