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.
|Technology and the fight against terrorism|
|Jeff Bezos' rocket lands safely after space flight|
|Elon Musk to Jeff Bezos: Congrats, but ...|
|His only job - Painting the pinstripes on Rolls Royces|
|Oil: The cost to produce a barrel|