Also, unlike Elon, Heinlein cared more of the future of humanity beyond his own self-interest. Pretty much everything he ever wrote was preaching his ideas on how to make everything work better. Some of those ideas were kind of nutty, but he wasn’t proposing them in order to enrich himself.
And named after, I think, Stranger In a Strange Land,
Heinlein also had some interesting AI and immortal human themes in his works.
Also, unlike Elon, Heinlein cared more of the future of humanity beyond his own self-interest. Pretty much everything he ever wrote was preaching his ideas on how to make everything work better. Some of those ideas were kind of nutty, but he wasn’t proposing them in order to enrich himself.