Einstein went there in the 1930s, and did almost nothing. In fact, Einstein went there, searched for a unified field theory along a path that was clearly wrong and at the same time published papers in which he said that no unified field theory was possible. But Einstein had done a few things before.
What does it mean to do better than Einstein at the IAS? First, it means to tell everybody to take your wrong path as well, while knowing that it makes no sense at all to follow it.
On the subject of unification, the IAS has a strange result. The collection of the smartest minds of the US worked together for decades with an output:
Nothing.This is the second part of what doing "better than Einstein" means at the IAS.
Next time, try a woman.