Life’s Work: An Interview with Salman Khan

Photography: Jonathan Sprague
Salman Khan was working as a hedge fund analyst when he started using online tools to tutor his cousins in math. Nine years later, his nonprofit organization, Khan Academy, draws on the same approach to offer more than 5,000 free, web-based video lessons to millions of students across the globe, disrupting not only schools but also the education industry built around them.