Jim Green was NASA's Chief Scientist, and before that, their Head of Planetary Sciences. He launched** Curiosity, Perseverance, New Horizons, Phoenix **and other impactful space missions. He also caught some of the world's first computer hackers, has opinions about where aliens would live, and--in his free time!--has become an expert on the history of ballooning!
Jim Green AMA
An event by
Evan Streams