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 article to El Greco with engravings of four works. In this article, Lefort extols El Greco, refuting the all-powerful commonplace of his "madness" and proclaiming him the founder of the Spanish School. Between 1860–1880 the archival research reveals some new important documents, such as a letter written by the Croatian miniaturist, Giulio Clovio, who characterized El Greco as "a rare talent in painting". In the 1890s, Spanish painters living in Paris adopted him as their guide and mentor. During this period, however, El Greco continued to still be a matter for the "happy few". Lefort was opposed to distinguished critics