The 1920s were Soviet cinema's explosive first act. Freed from commercial pressures and charged with creating art for the masses, a generation of filmmakers experimented with the very grammar of cinema. Sergei Eisenstein developed his theory of montage -- the idea that meaning emerges not from individual shots but from their collision -- and demonstrated it with "Battleship Potemkin" in 1925, a film later named the greatest ever made at the 1958 Brussels World's Fair. Lev Kuleshov conducted experiments proving that the same actor's face, juxtaposed with different images, appeared to express different emotions, a discovery now called the Kuleshov Effect that remains fundamental to film editing. Dziga Vertov pushed documentary filmmaking into radical territory with "Man with a Movie Camera" in 1929. Vsevolod Pudovkin's "Mother" (1926) and Alexander Dovzhenko's "Earth" (1930) expanded the possibilities of visual storytelling. These filmmakers were not working in a vacuum -- they were in direct conversation with revolutionary politics, and their innovations were inseparable from the ideological ferment that surrounded them.

The creative freedom of the 1920s did not survive Stalin. By the mid-1930s, the doctrine of socialist realism was imposed on all Soviet art, demanding that films portray an idealized version of Soviet life and celebrate the achievements of workers and the Communist Party. Boris Shumyatsky, head of the state film agency, pushed for a "Soviet Hollywood" -- accessible, entertaining, politically correct. Films that deviated faced suppression. Eisenstein's "Ivan the Terrible, Part II," completed in 1946, was banned until 1958, five years after Stalin's death, because its portrait of a paranoid ruler hit too close to home. His "Alexander Nevsky" was censored before the German invasion for depicting a Russian leader defying German invaders -- then released for propaganda once the invasion actually happened. The irony was characteristic: censorship sometimes created exactly the kind of ambiguity and subtlety it was meant to prevent, as filmmakers learned to encode meaning in subtext, visual metaphor, and historical allegory.

Stalin's death in 1953 loosened the state's grip, and a generation of filmmakers emerged who would reshape world cinema. Mikhail Kalatozov's "The Cranes Are Flying" (1957) won the Palme d'Or at Cannes, signaling that Soviet cinema could compete on the world stage. Andrei Tarkovsky, who began his career with "Ivan's Childhood" in 1962, developed a meditative, deeply spiritual filmmaking style that influenced directors from Terrence Malick to Lars von Trier. His films -- "Andrei Rublev," "Solaris," "Mirror," "Stalker" -- treated cinema as philosophy, exploring memory, faith, and the nature of time itself. Elem Klimov's "Come and See" (1985), a harrowing depiction of the Nazi occupation of Belarus, is widely regarded as one of the greatest war films ever made. Georgian cinema produced Tengiz Abuladze's "Repentance" (1987), an allegory about Stalinist terror that became a cultural event during glasnost. Each republic contributed its own distinctive voice: Armenian, Azerbaijani, Georgian, Ukrainian, and Baltic filmmakers brought their particular histories and aesthetics to a national cinema that was far more diverse than outsiders often realized.

Soviet cinema operated through a network of state-owned production studios spread across the republics. Mosfilm in Moscow was the largest, producing up to 50 features a year at its peak. Lenfilm in Leningrad specialized in literary adaptations and historical dramas. Dovzhenko Film Studios in Kiev anchored Ukrainian cinema. Smaller studios -- Armenfilm, Gruziya-Film, Kazakhfilm, Uzbekfilm -- gave each republic a filmmaking infrastructure that often outlasted the Soviet Union itself. Soyuzmultfilm produced animation, including the beloved "Nu, pogodi!" series. The system guaranteed funding, distribution, and audiences -- every film played in theaters across the country -- but it also meant that every script passed through layers of ideological review. Filmmakers became skilled at navigating bureaucracy, sometimes spending years shepherding a project through approvals, sometimes accepting compromises that gutted their vision, and occasionally producing their finest work as acts of quiet defiance.

When the Soviet Union dissolved in 1991, its cinema industry fragmented along with everything else. Studios lost state funding. The common distribution network collapsed. Many filmmakers emigrated or stopped working. But the artistic legacy proved more durable than the institutional one. Eisenstein's montage theory is still taught in every film school on Earth. Tarkovsky's influence on art-house cinema is immeasurable. The Kuleshov Effect is invoked every time an editor cuts between a face and an image. Soviet animation remains beloved across the former Soviet states. From the air, Moscow's Mosfilm complex is visible as a sprawling campus in the southwest of the city, its buildings and back lots occupying a site where film production has continued since 1931. It is still one of the largest and most active film studios in Europe, producing films for a Russian audience in a tradition that began with Lenin's conviction that moving pictures could change the world.