What did Mark Rober make at NASA?

He designed and delivered hardware on several JPL missions, including AMT, GRAIL, SMAP, and Mars Science Laboratory. While at NASA, Rober was one of the primary architects for “JPL Wired”, which was a comprehensive knowledge capture wiki.

Is Mark Rober rich?

Mark Rober is a YouTuber, inventor, and engineer who has a net worth of $5 million. Mark Rober is best known for his YouTube videos focusing on popular science and DIY tools.

Which YouTuber was the first to reach 1 million subscribers?

Fred Figglehorn, known simply as Fred, was the first YouTube creator to reach one million subscribers.