Every Door Closed. So He Built a New One: The Founder Who Taught America to Code
Sal Khan didn't get into the schools he wanted. The path he ended up on instead — tutoring a cousin over the internet, posting math videos no one asked for, building a free education platform from a closet — turned out to matter more than any acceptance letter ever could have. This is the story of how getting told no became the most important yes of his life.