During the years Salman Khan spent scrutinizing financials for hedge funds, he rationalized the profit-obsessed work by telling himself he would one day quit and use his market winnings to open a free ...

Salman Khan and his team have one mission: “to provide free, world-class education for anyone, anywhere.” And every day, Khan ...

(CBS News) Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face. Khan is the voice and brains behind Khan Academy, a free online tutoring site ...