St Thomas in Glory between St Mark and St Louis of Toulouse

In this altarpiece, the composition is structured through a vertical hierarchy that leads the viewers eye from the earthly plane toward the celestial realm. The arrangement follows a classic pyramidal formation, anchored by three monumental figures in the foreground who occupy the lower register of a shallow, architectural stage.
At the center of the composition, seated upon a wooden throne, sits a figure dressed in the traditional habit of a Dominican friar – a white tunic draped with a heavy black cloak. His posture is authoritative yet serene; he holds one hand raised in a gesture of benediction or teaching, while his other hand rests near an open book, suggesting the dissemination of divine wisdom. The light falls directly upon his face, emphasizing his role as the spiritual focal point of the lower group.
To the left, we see a bearded figure clad in vibrant red and blue robes. He stands in profile, looking upward toward the central figure with a sense of reverence. His hands hold a book, reinforcing the theme of literacy and sacred scripture shared among the group. On the right, the composition is balanced by a figure dressed in the elaborate regalia of a high-ranking prelate, likely a bishop or pope. This individual wears a white mitre and a richly patterned cope, adorned with intricate embroidery. He also holds an open book, mirroring the scholar-saint on the left, creating a symmetrical frame around the central seated figure. At his feet, a small, youthful figure – perhaps an attendant or a personification of innocence – looks up toward the heavens, bridging the gap between the human figures and the divine vision above.
The upper register of the painting breaks away from the terrestrial landscape to reveal a celestial vision emerging from a cluster of clouds. Here, the artist depicted the Madonna and Child, enveloped in a soft, golden radiance. The Virgin holds the Christ child, who appears to be moving actively in her arms. This divine manifestation is surrounded by a host of cherubim – small, disembodied heads with wings that float within the clouds, creating an atmosphere of supernatural presence. A draped red fabric hangs like a theatrical curtain between the heavenly vision and the saints below, serving as a symbolic boundary between the mortal world and the divine.
The subtext of this work revolves around the continuity of sacred knowledge and the transmission of divine grace through institutional authority. The repetition of open books among all three primary figures suggests that the foundation of faith is rooted in study, scripture, and the preservation of doctrine. Furthermore, the vertical movement from the earthly saints to the Madonna and Child implies a chain of intercession: the saints act as intermediaries, bringing the prayers of the faithful upward toward the Virgin, who in turn directs them toward the Christ child. The use of light – concentrated on the central figure and the celestial vision – functions as a metaphor for enlightenment and the presence of the Holy Spirit within the ecclesiastical hierarchy.