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Apr. 27, 2012
An Astronaut Explores NASA's Scientific Frontiers
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He's flown the space shuttle five times, and performed eight spacewalks to service the Hubble telescope. Now astronaut and astrophysicist John Grunsfeld heads up NASA's Science Mission Directorate, where he manages scientific investigations on the home planet--and beyond.
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Guests
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John Grunsfeld
Astrophysicist and Astronaut
Associate Administrator
NASA's Science Mission Directorate
Washington, DC
FEATURED READING
Brilliant Blunders
by Mario Livio
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