It’s not too deep in the video where it talks about it.
I had never known that either.
Of course, I didn’t know anything, prior to last night, about FLW, other than he was a genius at architecture.
He was a certainly a genius at exterior architecture. How well thought out are the interiors, where owners spend 99% of their time? There's not many photos of that. In modern times the state of exterior architecture is horrible, with mostly art-free boxy broad flat surfaces that look designed by computer.
Pennsylvania is close enough to me; I want to take a road trip to “Falling Water”.
My kind of place.