El Greco been ideal for El Greco. Through Clovio and Orsini, El Greco met Benito Arias Montano, a Spanish humanist and agent of Philip; Pedro Chacón, a clergyman; and Luis de Castilla, son of Diego de Castilla, the dean of the Cathedral of Toledo. El Greco's friendship with Castilla would secure his first large commissions in Toledo. He arrived in Toledo by July 1577, and signed contracts for a group of paintings that was to adorn the church of Santo Domingo el Antiguo in Toledo and for the renowned . By September 1579 he had completed nine paintings for Santo Domingo, including
El Greco of Spanish mysticism". He believes that in El Greco's mature works "the devotional intensity of mood reflects the religious spirit of Roman Catholic Spain in the period of the Counter-Reformation". El Greco also excelled as a portraitist, able not only to record a sitter's features but also to convey their character. His portraits are fewer in number than his religious paintings, but are of equally high quality. Wethey says that "by such simple means, the artist created a memorable characterization that places him in the highest rank as a portraitist, along with Titian and Rembrandt". El Greco painted many of