In 2004, a Boston-based hedge fund analyst named Sal Khan learned that his cousin Nadia, a 7th grader in New Orleans, was struggling with math. Sal tutored her through some challenging problems and ...

If you do a web search on Sal Khan, you might get some of this guy, Bill Gates said, holding up a picture of Bollywood actor Salman Khan. Prior to Khan Academy, Musk Foundation donated $480,000 in ...