Curatorial Narrative “Sentry (Posten)” by El Lissitzky is a seminal work from 1923, exemplifying the radical shift towards abstraction that defined modernist art. The artist’s decision to abandon representational forms in favor of geometric abstractions was a deliberate rejection of traditional techniques and conventions. In “Sentry”, we see Lissitzky employing his characteristic use of bold lines and stark contrasts between black, white, and gray, creating an atmosphere of intense visual clarity.The work’s linear brushwork imbues the composition with a sense of dynamism and kinetic energy, as if the very planes and forms are about to burst forth from the canvas. This is not merely a matter of style or technique; rather, it represents a fundamental reorientation towards the role of art in society. In its own terms, “Sentry” proposes a radical new way of seeing and experiencing the world.As we consider “Sentry” at an enlarged scale o