Here is a look at the life of Elon Musk, the billionaire entrepreneur behind Tesla and SpaceX.
Birth date: June 28, 1971
Aviation and aerospace industry
Business and industry sectors
Business, economy and trade
Space and astronomy
Spacecraft and satellites
Birth place: Pretoria, South Africa
Birth name: Elon Reeve Musk
Father: Errol Musk, engineer
Mother: Maye (Haldeman) Musk, nutritionist and model
Marriages: Talulah Riley (2013-2016, divorced for the second time), (2010-2012, divorced for the first time); Justine (Wilson) Musk (2000-2008, divorced)
Children: with Justine Musk: Nevada, died at 10 weeks; twins Griffin and Xavier; triplets Damian, Saxon and Kai
Education: Attended Queen's University in Kingston, Ontario, Canada, 1990-1992; University of Pennsylvania, B.S. in economics and B.A. in physics, 1995; briefly attended Stanford University in 1995
CEO and lead designer of Space Exploration Technologies Corporation (SpaceX), a commercial space exploration company.
CEO and product architect of electric automaker Tesla Motors.
Chairman of Musk Foundation, an organization supporting research on renewable energy, human space exploration and pediatrics.
At age 12, sold his code for a video game called "Blastar" to a computer magazine for $500.
Film director Jon Favreau has said Musk helped inspire the on-screen version of genius billionaire Tony Stark in the "Iron Man" films.
1995 - Musk co-founds Zip2 Corp., a company that develops online city guides.
1999 - Sells Zip2 to Compaq for $307 million.
March 1999 - Co-founds X.com, an online banking and financial services company.
March 2000 - X.com merges with Confinity, and is renamed PayPal in 2001.
June 2002 - Musk founds SpaceX, with the intention of decreasing the cost and increasing the accessibility of space travel.
October 2002 - PayPal is acquired by eBay in a $1.5 billion deal. Musk pockets $165 million.
February 2004 - Musk joins Tesla as chairman of the board and oversees the initial round of investment funding.
October 2008 - Becomes CEO and product architect of Tesla.
December 8, 2010 - The Dragon, an unmanned craft developed by SpaceX, splashes down in the Pacific Ocean. The Dragon is the first commercial spacecraft by a privately owned company to orbit the Earth and return.
May 31, 2012 - After delivering more than 1,000 pounds of cargo, including food, clothing, computer equipment and supplies for science experiments to the ISS, the Dragon splashes down about 560 miles off Baja, California. Musk declares the flight a "grand slam." It is the first commercial mission completed by a privately-owned spacecraft.
November 2013 - Named Fortune's Businessperson of the Year.
March 30, 2017 - SpaceX launches a used rocket. This is the first time in the history of spaceflight that the same rocket has been used on two separate missions to orbit.
June 1, 2017 - Quits two of US President Donald Trump's business advisory councils after the president announces he will pull the United States out of the historic Paris climate agreement. Musk tweets, "Am departing presidential councils. Climate change is real. Leaving Paris is not good for America or the world."
June 7, 2017 - Tesla is included on the Fortune 500 list of the nation's largest companies for the first time, landing at number 383. The list ranks companies by revenue, and Tesla pulled in $7 billion in 2016.
February 6, 2018 - SpaceX launches Falcon Heavy, the world's most powerful operational rocket. The rocket carries a red Tesla roadster into space, replete with a fake astronaut in the driver's seat.
March 2018 - Forbes, in its annual list of the world's billionaires, estimates Musk's net worth at $19.9 billion.
August 7, 2018 - Musk announces, via Twitter, that he is considering taking Tesla private. He claims that funding has been secured.
August 10, 2018 - Two shareholders file lawsuits accusing Tesla and Musk of violating federal securities law by allegedly making false statements to boost the company's stock price. Musk's tweet about securing funding to take Tesla private on August 7 boosted Tesla's stock price immediately. But in the days since, it has lost most of those gains, reacting, at least in part, to reports from Bloomberg and the Wall Street Journal that the federal Securities and Exchange Commission is investigating Musk's claim.
September 6, 2018 - Smokes marijuana and drinks whiskey during a live podcast interview with Joe Rogan.
September 17, 2018 - Vernon Unsworth, the caver who helped rescue 12 boys and their soccer coach from a flooded cave in Thailand in July, files a defamation lawsuit against Musk in a federal court in California. Unsworth will file a separate lawsuit in London. Musk grew angry with Unsworth after the caver criticized Musk's attempts to help with the Thai cave rescue effort by building a miniature submarine. On Twitter, Musk made the unfounded claim that Unsworth was a "pedo" or pedophile. Musk doubled down on his claim in other tweets before deleting them.
September 18, 2018 - Tesla confirms that the Justice Department is investigating whether comments made by Musk in August about taking the company private were illegal.
September 27, 2018 - The Securities and Exchange Commission sues Musk for making "false and misleading" statements to Tesla investors via Twitter on August 7. The SEC asks that Musk be prevented from serving as an officer or a director of a public company.
September 29, 2018 - Musk agrees to a settlement over fraud charges with the SEC. Under the terms of the settlement, Musk will step down as chairman of Tesla and pay a $20 million fine. Tesla also agrees to pay a $20 million fine, appoint two new independent directors and establish a committee to oversee Musk's communications.
December 18, 2018 - Demonstrates his Boring Company's first tunnel, built as an experiment in underground transportation with the aim of providing alternative routes to traffic-jammed streets.
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