Whoever came up with the wheel, maybe? Perhaps someone carrying the original homo sapiens mutations?

Genghis Khan or Napoleon, maybe? Probably you'd want to pick someone further back but before the modern era you lose details.

Musk has made some tech innovations but he hasn't changed the lives of many generations of people yet. I'd only put him at the level of Edison

Anyone who's impact is more than just rampant financial fraud. Human's are the product of their environment and mostly just in the right place at the right time, but there's no criteria where you could put Elon Musk in a list of the most important humans of all time.

I’m not who you replied to but that’s honestly an interesting question. Genghis Khan? Jesus, I suppose?

Elon Musk is probably up there, though. You could say people like Henry Ford are on his level, but Elon is certainly more broad in his scope. I think people like them are probably accelerationists, meaning someone else would have done what they’ve done eventually. That could be a long eventually though. It’s hard to compare them to people who shaped history through their actions that nobody else would have done the same way.