Elon Musk is not Hank Rearden, Hank Rearden did not depend on government contracts or public subsidies.
If there is any character in the real world worth comparing it is Nikola Tesla, the real-life John Galt.
Discussion
It's funny how it's called oligarch in Russia, but it's considered fine and "free market" in the "land of freedom"
SpaceX got public loans not subsidies.
As for government contracts, I don't know how your space business is going but his would be stupid to eschew the government as a customer as the government is a significant player in the space field, unlike the field of, say, toilet paper.
In my post I was not referring precisely to SpaceX, given its financial structure it is more difficult to obtain subsidies since it is not a public company (it is listed on the stock exchange).
I was referring to Tesla.
"In 1893 Tesla and Westinghouse got the contract to install all the electrical and lighting systems for the Chicago World's Fair."
Example Tesla government contract.
https://www.corrosion-doctors.org/Biographies/TeslaBio-2.htm
A contract is not the same as a grant...
Here you have all the Tesla subsidies, so I can even make a car that runs on chocolate profitable.
https://subsidytracker.goodjobsfirst.org/parent/tesla-inc
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John Galt is yet to emerge. No one fits the bill well enough for the name imo
That said, the closest approximation by my estimate is Satoshi. If there is something that will stop the engine of the world, it's bitcoin.
Best case for Elon he is Francisco getting it and choosing to intentionally try to burn it all down.
I'm pretty sure he doesn't get it.