File:Steve Jobs and Mike Markkula at Apple.jpg

Steve Jobs receives a check from Mike Markkula, who invested $250,000 to help fund the Apple II computer in exchange for a 1/3 stake in Apple Computer. As the third employee, Markkula managed the new company and developed its business plan.

Source

 * IT'S NOT STEVE JOBS: Wozniak Reveals The One Person Who 'Actually' Deserves Credit For Apple's Early Success by Seth Fiegerman, Business Insider. 2012-05-11.