Marcuse’s Heideggerian past marked him as needing ideological redemption.

Evidence

But above all, because of his Heideggerian past, Marcuse was regarded as someone who would still have to prove himself in the long term and learn the correct theory. Marcuse himself saw things in this light as well. — Rolf Wiggershaus, The Frankfurt School, 592

Categorization

• XREF: The Institute enforced philosophical orthodoxy akin to a conversion test — connects to how Adorno’s orthodox Marxism functioned as identity gatekeeping. — connects to: Marcuse’s Heideggerian past kept him in a subordinate, probationary status at the Institute. — Rolf Wiggershaus, The Frankfurt School: Its History,…, 592; Reading the early Marx turned Marcuse from Heideggerian existentialism toward revolutionary theory. — Rolf Wiggershaus, The Frankfurt School: Its History,…, 18; Lukács and Heidegger were Marcuse’s two greatest influences — Rolf Wiggershaus, The Frankfurt School: Its History,…, 387
• SEED: Possible essay angle: how theoretical orthodoxy in intellectual communities functions as a kind of probation period reminiscent of religious initiation rites.