In 1924, eighteen-year-old Hannah Arendt arrived at the University of Marburg in Germany and enrolled in the seminars of Martin Heidegger, a thirty-five-year-old philosopher whose lectures were already legendary. Within months, the two had begun a secret love affair. Heidegger was married; the relationship had to be conducted through coded letters and clandestine meetings. Arendt later described him as the hidden king of philosophy — the intellectual encounter that shaped everything she would ever think. Nine years later, in April 1933, Heidegger joined the Nazi Party. He was inaugurated as rector of Freiburg University on May 27th of that year and delivered a nationalist address, 'The Self-Assertion of the German University,' that openly embraced National Socialism. He signed letters '...
Popular framing: Arendt forgave her old teacher and lover out of personal weakness.
Structural analysis: Liking bias, anchored in the 1924 Marburg affair, scaffolded an entire discipline's relationship to a morally compromised major philosopher. Arendt's stature by 1950 meant her framing — Nazi episode as 'mistake,' analogous to Plato and Dionysius — propagated through citation, halo effect, and confirmation bias among scholars who wanted Being and Time to remain assignable. Sunk capital in Heidegger's reception (translations, dissertations, secondary literature) made the path-dependent reading self-reinforcing; the personal bond at the source determined the academy's distance from the Nazism downstream.
Framing this as personal blindness locates the failure in Arendt's psychology, immunizing the broader system — academic philosophy's canon-formation loops, gendered mentorship structures, and field-wide incentives to protect reputational investments — from scrutiny. The real pattern is that liking bias and authority deference are not individual weaknesses but predictable outputs of how elite intellectual culture transmits itself, making Arendt a symptomatic case rather than an exceptional one.