[andrewla]

I don't think this is true; these are just policies set by his executors and the Foundation, not even in the will of Nobel [1]. Even the posthumous restriction is more an implicit reading of his phrasing, that the prize (money) should be awarded to such a person (rather than the person or in honor of the person).

And in fact the three person limit seems to already stretch his definition.

It seems that this would be easily changeable by the foundation, as there is nobody with standing or grounds to contest the changes, as Nobel and his executors have long since left us to our own devices.

[1] https://en.wikipedia.org/wiki/Nobel_Foundation, and https://www.nobelprize.org/alfred-nobel/full-text-of-alfred-... for complete text.