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How Elon Musk Learned Rocket Science for SpaceX - Business Insider

Former SpaceX Exec Explains How Elon Musk Taught Himself Rocket Science

Jim Cantrell, who was an aerospace consultant at the time, became SpaceX's first VP of business development and Musk's industry mentor when the company launched in 2002. He says that Musk literally taught himself rocket science by reading textbooks and talking to industry heavyweights.

"He is the smartest guy I've ever met, period," Cantrell tells us. "I know that sounds overblown. But I've met plenty of smart people, and I don't say that lightly. He's absolutely, frickin' amazing. I don't even think he sleeps."

Musk "knows everything about what he's building," Cantrell says, but of course even he understands that he can't master everything. That's why he used Cantrell's network in the aerospace industry to gather some of the best in the business. "It was like spaceapalooza!"