The story
Named after Richard Feynman, who is claimed to have talked about it in a lecture.
Etymology from Wiktionary, CC BY-SA 4.0.
Feynman point
Today it means: The position (at the 762nd digit after the decimal point) in the decimal expansion of pi at which a sequence of six consecutive nines first appears, unexpectedly early in view of the expected and otherwise apparent randomness of said expansion. Full definition →