German-Jewish political thinker who fled the Nazis in 1933, escaped internment in France, reached New York in 1941, and spent the next three decades rethinking political life in the shadow of the catastrophe she had survived. Arendt is hard to place on any standard map — neither liberal, Marxist, nor conservative, though she drew from all three — and she insisted she was not a philosopher at all but a political theorist. The distinction matters to her: philosophy, since Plato, has tended to flee plurality for contemplative truth, while politics requires the risk of acting among others who may disagree.
The Origins of Totalitarianism (1951) argued that Nazi and Stalinist regimes were not just bad versions of older tyranny but historically novel — total domination through terror, ideology, and atomized mass society. The Human Condition (1958) distinguished three modes of human activity: labor (biological necessity), work (making durable things), and action (speech and deed among plural others, the properly political realm). Modernity, she worried, was collapsing action into labor — reducing public life to the management of collective metabolism.
Eichmann in Jerusalem (1963) introduced her most controversial phrase, "the banality of evil": Eichmann, she argued, was neither a monster nor a true believer but a shallow careerist incapable of thinking from another's standpoint. The thesis earned her decades of fierce criticism. Her late unfinished Life of the Mind returned to the question of whether the capacity to think — genuinely, plurally, unpredictably — is itself a condition of moral life.