Comment by softwhale

Sally Ride had insight into the O-ring failures, and tipped general Donald Kutyna. Kutyna subtly tipped Feynman. Kutyna had invited Feynman over dinner where they talked about Kutyna's car and the O-rings inside of them.. So the story goes.

https://emptysqua.re/blog/who-broke-the-challenger-investiga...

https://news.ycombinator.com/item?id=19032574