Curatorial Narrative Francesco di Giorgio Martini’s “Saint Bernardino Preaching from a Pulpit” exemplifies the emerging currents of the late medieval period in Siena. Painted circa 147075, this work showcases the artist’s command of fine brushwork and an adherence to traditional iconography, yet it also betrays a nascent sense of tension between strict formalism and nascent humanist sentiment. The subtle play of chiaroscuro, where the faint blue of the sky and the earthy tones of the pulpit dissolve into one another, creates an atmospheric weight that draws the viewer inexorably into the space of the composition.When enlarged to 44×67 inches, the painting’s spatial rhythm assumes a commanding presence, its chromatic structure unfolding like the intricate vaulting of a Gothic cathedral. The blue, beige, and brown hues seem to recede and advance in counterpoint to one another, imbuing the room with an almost palpable sense of depth. I