Kleinberg, not Kleinberger, and he's a prof at Cornell, not CMU. I'd guess it has less to with geography, and more to do with the fact that Kleinberg is a (bril

Kleinberg, not Kleinberger, and he's a prof at Cornell, not CMU. I'd guess it has less to with geography, and more to do with the fact that Kleinberg is a (brilliant, celebrated) academic who probably wasn't very interested in doing a startup.