HBD to Elon Musk! Born on June 28, 1971, Musk majored in physics as an undergraduate at the University of Pennsylvania. In 1995, he started his first business founding a company called Zip2.Four years later, in 1999, Zip2 was acquired, earning him his first fortune of $22 million. He then launched his second venture and became an early partner at $PayPal(PYPL)$. Three years later, in 2002, PayPal went public and was acquired, bringing Musk a second windfall of $250 million.Fast forward to July 2017, eight years ago, when the Model 3 officially started mass production.While others were celebrating, Musk couldn’t even crack a smile. The factory could only produce about 2,000 cars per week.Musk had calculated that Tesla’s break-even point was 5,000 c