When the city of Toledo commissioned a set of paintings for its church of San Andrés in 1603, El Greco was at the height of his powers, creating a series of apostles that would become some of his most influential works. Among these, Saint Luke the Evangelist stands out for its intensity and individuality—each apostle was painted separately, yet all were conceived as a unified cycle. This commission marked one of the rare moments when El Greco was asked to produce a full apostolado, a subject that had deep roots in Spanish devotional practice.

The series would later be dispersed, but Saint Luke the Evangelist remains a testament to the artist’s unique vision of the holy figures. At the moment El Greco chose to capture, Saint Luke sits absorbed in his writing, the traditional attribute of the Gospel author. His gaze is direct but inward, as if listening to a voice only he can hear. The ox at his side, painted with almost human expressiveness, identifies him unmistakably as Luke; it is a symbol of sacrifice and service, echoing themes in his Gospel.

The saint’s elongated hands and swirling drapery—hallmarks of El Greco's late style—draw the viewer’s eye upward, suggesting spiritual ascent. Unlike the calm, classical Luke of Titian or Raphael, El Greco’s version is restless and alive, every brushstroke charged with energy. The precise medium of Saint Luke the Evangelist is uncertain, though oil on canvas is likely, as with most of El Greco’s late works. After its creation, the painting remained in Toledo, but the apostle series was eventually broken up; individual canvases found their way into collections across Spain and beyond.

Over centuries, attributions shifted as scholars debated which works belonged to the original set and which were later copies or studio pieces. Today, Saint Luke the Evangelist is recognized as one of the finest examples from the apostolado, a key work for understanding El Greco’s mature period and his profound impact on Spanish religious art.