James Holzrichter became a reluctant whistleblower after finding evidence of misconduct by his employer, Northrop Grumman. He became a pariah in his field, and eventually found himself unemployed and homeless.
Ben Flanner is a pioneer of rooftop farming in Queens, New York. Preparing his one-acre farm required a lot of trips up the elevator, but he saw a good harvest last fall, and he says he's ready to plant again.
Tom Mylan was a vegetarian before he became interested in the many ways a piece of beef can be butchered and eaten. Now, Mylan is obsessed with knowing the farm - and farmer - raising his beef, and gives sold-out cutting classes at his Brooklyn butcher shop the Meat Hook.
Richard Garriott self-funded a flight in 2008 to the International Space Station, where he spent 12 days. Now, he’s helping design another form of space tourism that would launch people in rockets for a long sky dive back to land.