William Finley is quite dead according to Wikipedia

I mean, can you tell for sure that there will not be any war in France or Germany in the next 70 years? I don’t think it’s likely, and I’m clearly of the opinions that we should apply whatever carbon reduction that is most carbon effective, nuclear included, given the current climate emergency, but considering a nuclear power plant could be targeted by an army or terror group is not that far-fetched.

The whistleblower behind the recent Boeing safety scandals, that has casually killed himself on a day he was supposed to give a deposition or something

Well, not to be that guy (actually definitely to be that guy) but what Newton discovered was that gravity was proportionnal to the mass of the bodies, and to the inverse of the square of the distance between their center of mass, and this second point seems too difficult to prove for a 9 years old.