It’s weird because there are several hotspots like that: Seattle, SLC, Akron, and so on. Each one pumps out greatness for a time, and then things move again.
It works internationally too. eg. von Neumann, Teller, Wigner etc. All Hungarians.
https://en.wikipedia.org/wiki/The_Martians_(scientists) https://en.wikipedia.org/wiki/The_Martians_(scientists)