On: The Ideal Mathematician (1998) [pdf]

[dkural]

Yau is wrong. Perelman proved it just fine. Hamilton made the plan of attack. Perelman executed it. Mere mortals could finally follow the argument, Yau & his students transparently tried to steal credit from a man who doesn't care for formal recognition.

[pathsjs → dkural]

I did not check it myself, so I cannot tell, but this is what I have heard most often.

Still, it was just to highlight the fact that there is a certain degree of subjectiveness when evaluating whether something constitutes a proof