- Lived:
- 1929–2026 · Düsseldorf, Gummersbach, Frankfurt, Starnberg
- Tradition:
- Frankfurt School critical theory, second generation; the communicative turn
- The Big Idea:
- Reason doesn't live inside a solitary head — it lives between people, in the rules we can't help presupposing whenever we honestly try to convince each other; and a society is free to the exact degree that its big decisions answer to that kind of talk.
- In their words:
- "the unforced force of the better argument"
- If you remember one thing:
- Every time you say "that's true" or "that's not fair" and offer a reason, you are committing yourself to standards no propaganda, market, or algorithm can meet — and Habermas built an entire philosophy, and a defense of democracy, out of that everyday fact.