Salman Khan is the founder of Khan Academy, a non-profit providing online instruction to people all over the world. He began by tutoring his cousins remotely by video. The videos attracted a large YouTube following. Today, Khan Academy is an online learning platform which includes practice exercises, instructional videos, analytics and teacher tools with 15 million registered users.
David Maraniss is a Pulitzer Prize-winning Washington Post reporter and best-selling author whose biographies of Bill Clinton, Vince Lombardi and Roberto Clemente are both definitive and compelling. His biography, “Barack Obama: The Story,” was published in 2012.