- Lived:
- 1872–1970 · England (with long spells in America, and prison)
- Tradition:
- Analytic philosophy — which he did more than almost anyone to invent
- The Big Idea:
- Philosophy's job is logical analysis: beneath the misleading surface grammar of our language lies a real logical structure, and finding it dissolves ancient confusions.
- In their words:
- "Remember your humanity, and forget the rest."
- If you remember one thing:
- He rebuilt philosophy around modern logic, went to prison twice for peace — once at forty-six and once at eighty-nine — and changed his mind in public, proudly, for seventy years.