> the best people to make that kind of judgement would be the person's personal relatives To expand on that the best person to make this kind of judgement woul

> the best people to make that kind of judgement would be the person's personal relatives To expand on that the best person to make this kind of judgement would be Feynman himself. But then I'm not sure if had he ever made a claim on whether he would allow these letters to become public / be sold, if such a claim would have any legal value to be enforced after his death. In the end we are left with his personal relatives, and what the law regulates regarding their rights to share Feynman private letters posthumously.