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Originally said in English.
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About John M. Grunsfeld
American physicist and former NASA astronaut
John Mace Grunsfeld is an American physicist and former NASA astronaut. Born in 1958, he is known for five Space Shuttle flights, for serving as NASA chief scientist, and for later leadership roles in NASA science. His work has ranged across high-energy astrophysics, cosmic ray physics, and early exoplanet research, with an interest in the instruments that will support future astronomy. After leaving NASA in 2009, he became deputy director of the Space Telescope Science Institute in Baltimore, then returned to NASA in 2012 as associate administrator of the Science Mission Directorate before retiring again in 2016.
More from John M. Grunsfeld (83 quotes) →Other sayings from John M. Grunsfeld
- “When people left on the Oregon Trail from St. Louis, they knew that only a fraction of them would make it to…”John M. Grunsfeld
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- “Absolutely the most fun thing to do in space and rewarding thing, in many ways, is to look back at planet Ear…”John M. Grunsfeld
- “Our journey in going beyond our home planet is a human endeavor, and in the greatest tradition of exploration…”John M. Grunsfeld
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