Boston
The university-as-economy city.
Kernel
MIT (founded 1861) and Harvard (1636) form a concentration of universities that, by the mid-20th century, had been turned into a regional economy. The Route 128 corridor, the Whitehead Institute, the Broad Institute, the Lincoln Lab, Bell-Labs-adjacent talent, Polaroid, DEC, Lotus, Akamai, the modern biotech industry centered on Cambridge MA — Boston is the test case for whether "build a university and the economy follows" is a repeatable pattern. The answer is yes, when it works.
Doctrine
Universities are not separate from industry; they are its R&D layer, with graduate students as the most cost-efficient industrial workforce in modern history. The MIT Media Lab and the Whitehead/Broad model both extend this: a research institution becomes the front-end for a private-industry pipeline that turns publications into companies.
What it gave the world
The minicomputer (DEC). Modern molecular biology (Watson at Harvard via Cold Spring Harbor; the Whitehead and Broad Institutes). The human genome project's American operational center. Modern venture capital structures that fund biotech specifically (Polaris, Third Rock, Flagship). Most of the engineering culture that Silicon Valley would later refine.