In addition to Fortune's 40 Under 40 list, we're also keeping our eye on these 20 innovators, young guns from a wide range of industries and backgrounds.
|School lunch worker: I got fired for feeding a hungry child|
|John Paulson gives Harvard a record $400 million gift|
|The death of the $200 iPhone|
|Yahoo wins rights to live-stream an NFL game this October|
|Venezuela's currency isn't worth a penny|