Critical Theory was born from the sense that the old tools of philosophy had become strangely helpless before modern catastrophe. In the interwar decades, Europe offered no shortage of grand explanations. Marxism promised historical necessity; liberalism promised gradual reform; positivism promised neutral science. Yet the world kept producing defeats, not clarifications: the collapse of the German left, the triumph of fascism, the administrative rationality of mass society, and the spectacle of reason itself being recruited for violence. The question that haunted the first generation of Frankfurt School thinkers was not whether society was unjust in some abstract sense, but why forms of domination could persist even where enlightenment, industry, and mass education seemed to have advanced.
The Institute for Social Research, founded in Frankfurt in 1923, gave this anxiety a home. It was not a philosophical sect in the old style, but a research program that tried to combine economics, sociology, psychology, and philosophy. That combination mattered because the problem it faced was multi-layered. Exploitation could no longer be understood solely as a matter of wages and property; the modern subject also had to be understood as culturally shaped, psychologically managed, and politically disciplined. A strike could fail not only because capital was powerful, but because workers had been taught to desire security over solidarity, or to experience authority as normal. This was the hidden terrain on which the movement would work.
Karl Marx supplied the decisive starting point, but not in the form of a ready-made doctrine. The Frankfurt thinkers inherited Marx’s suspicion that society presents its own arrangements as natural, and his account of ideology as a distorted social consciousness. Yet orthodox Marxism, especially in its Second International and later Soviet forms, often seemed to them too confident that economic development would automatically produce emancipation. History had not behaved so politely. The first world war had shattered faith in progress; the Russian Revolution had not extinguished domination; and the parliamentary republics of Europe looked brittle, while the streets filled with uniforms, banners, and myth.
One sees the intellectual mood of the movement in Max Horkheimer’s early writing, but also in the larger cultural landscape of Weimar Germany. The period was crowded with experiments in modern life: radio, cinema, mass newspapers, Taylorized labor, advertising, new bureaucracies, new styles of authority. These were not merely gadgets or institutions; they were forms of mediation through which consciousness itself was being remade. Walter Benjamin, orbiting the Institute but never fully contained by it, understood this most vividly in the electromagnetic shimmer of the city and the reproduction of images. The question was no longer whether the masses had entered history. They had. The question was what sort of history was now being written in them.
The threat grew darker when exile became the condition of thought. After the Nazis seized power, the Institute left Germany; by 1935 it was in New York, attached to Columbia University. Exile did not merely change address. It sharpened the suspicion that domination had become mobile, adaptable, and in some respects more intimate than earlier forms of rule. The old distinction between coercion and consent began to blur. Fascism could mobilize propaganda, ritual, and fear; capitalism could integrate dissatisfaction through consumption; even the language of rational administration could conceal a narrowing of life.
There were also profound disagreements inside the early circle, which mattered because Critical Theory was never a single voice. Horkheimer, Theodor W. Adorno, Erich Fromm, Herbert Marcuse, and later Jürgen Habermas did not agree about psychology, politics, or the possibility of revolutionary agency. But they shared a suspicion that modern society reproduces itself not only through force but through patterns of need, desire, and interpretation. That is why their work crossed the line from sociology into philosophy. They were trying to explain how a society can be both modern and unfree.
Adorno’s later recollection of intellectual life after catastrophe is crucial here, especially his sense that philosophy could no longer pretend innocence after Auschwitz. But that moral horizon was already forming earlier, in the struggle to understand why reason had not guaranteed humanity. The old Enlightenment faith had said that more knowledge would mean more freedom. Critical Theory asked a harsher question: what if the same knowledge that liberates also classifies, measures, and dominates?
A striking sign of this tension appears in Horkheimer and Adorno’s wartime collaboration, where they saw the road from myth to reason not as a clean ascent but as a dangerous spiral. Myth was not simply left behind; rationality could harden into its own kind of myth when it treated the world only as material to be mastered. The problem was no longer the absence of reason, but reason cut off from reflection on its own social uses. That is the threshold on which Critical Theory stands: a tradition formed by crisis, trying to think about a civilization whose achievements had become inseparable from its disasters.
The movement therefore entered philosophy with a double charge. It had to preserve the emancipatory hopes of Marx without surrendering to economic determinism, and it had to diagnose modernity without romanticizing any premodern past. Out of that tension emerged its central claim, one that would make the next chapter necessary: domination is not only where the whip is visible; it also hides in the everyday forms through which a society teaches people what to notice, what to desire, and what to call reality itself.