Icosahedron,
i had this thought a few days ago, and i am happy to see at least one other person made this connection (Rand/Buckie). To me this thought came to mind as i often use his quote on how we should not fight the broken system but create a parallel one, this is literally what Galt created with his Gulch.
Given the fact that even nowadays "the Fountainhead" appears to be still part of the architectural curriculum, i would say he must at least read that book as it was way more popular back in those days as it is now.
greetings!