Giving you options for links because I’m comradely like that:
Not sure I agree with the thesis or not, but it’s interesting to think about. It’s true that there are lots of very good non-grid cities. I’ve always thought that the main purpose of grids is to be understandable to the human mind, which maybe isn’t that important a goal, and lots of things flow well in a complex way: look at our own circulatory systems.
Googled them, found it. TIN: 27-1459378
Also found this
https://projects.propublica.org/nonprofits/organizations/271459378/201823199349316362/full