John M. Grunsfeld

John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. After retiring from NASA in 2009, he served as the deputy director of the Space Telescope Science Institute in Baltimore, Maryland. In January 2012, he returned to NASA and served as associate administrator of NASA's Science Mission Directorate (SMD). Grunsfeld announced his retirement from NASA in April 2016.

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1958  Wikimedia, Wikidata
John Mace Grunsfeld
mountaineer, physicist, astronaut, astronomer, 

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  STS-103 ⓘ
  human spaceflight Hubble Space Telescope servicing mission by Space Shuttle Discovery

• 

  STS-109 ⓘ
  human spaceflight

• 

  STS-125 ⓘ
  human spaceflight

• 

  STS-67 ⓘ
  human spaceflight

• 

  STS-81 ⓘ
  human spaceflight

United States, 

Frameless

STS-81 crew

S81E5467 - STS-081 - KIDSAT - Grunsfeld and Linenger with ProShare - DPLA - d79a5318b2ec879da6ef21f0493ddcf1

STS-103 crew perform virtual reality training in building 9N

Steven Smith and John Grunsfeld repairing Hubble during STS-103. Retouched version of raw scan.

John Grunsfeld

John M. Grunsfeld helps with unpacking chores during STS-125

John Grunsfeld and Gregory C. Johnson work with lithium hydroxide canisters on Atlantis during STS-125

John Grunsfeld and Gregory C. Johnson work with lithium hydroxide canisters on Atlantis during STS-125

John Grunsfeld works with a power tool on the middeck of Atlantis during STS-125

John Grunsfeld and Andrew Feustel during the first EVA of STS-125

Type	Subtype	Date	Description	Notes	Source
class	orbit		STS-103	Claude Nicollier, Curtis Brown, Jean-François Clervoy, John M. Grunsfeld, Michael Foale, Scott Kelly, Steven Smith, human spaceflight,	Wikidata
class	orbit		STS-109	Duane G. Carey, James H. Newman, John M. Grunsfeld, Michael J. Massimino, Nancy J. Currie, Richard M. Linnehan, Scott Altman, human spaceflight,	Wikidata
class	orbit		STS-125	Andrew J. Feustel, Gregory C. Johnson, John M. Grunsfeld, Megan McArthur, Michael J. Massimino, Michael T. Good, Scott Altman, human spaceflight,	Wikidata
class	orbit		STS-67	John M. Grunsfeld, Ronald A. Parise, Samuel T. Durrance, Stephen S. Oswald, Tamara E. Jernigan, Wendy B. Lawrence, William G. Gregory, human spaceflight,	Wikidata
class	orbit		STS-81	Brent W. Jett, Jerry M. Linenger, John E. Blaha, John M. Grunsfeld, Marsha Ivins, Michael A. Baker, Peter Wisoff, human spaceflight,	Wikidata
commons	image		STS-81 crew		Commons
commons	image		S81E5467 - STS-081 - KIDSAT - Grunsfeld and Linenger with ProShare - DPLA - d79a5318b2ec879da6ef21f0493ddcf1		Commons
commons	image		STS-103 crew perform virtual reality training in building 9N		Commons
commons	image		Steven Smith and John Grunsfeld repairing Hubble during STS-103. Retouched version of raw scan.		Commons
commons	image		John Grunsfeld		Commons
commons	image		John M. Grunsfeld helps with unpacking chores during STS-125		Commons
commons	image		John Grunsfeld and Gregory C. Johnson work with lithium hydroxide canisters on Atlantis during STS-125		Commons
commons	image		John Grunsfeld and Gregory C. Johnson work with lithium hydroxide canisters on Atlantis during STS-125		Commons
commons	image		John Grunsfeld works with a power tool on the middeck of Atlantis during STS-125		Commons
commons	image		John Grunsfeld and Andrew Feustel during the first EVA of STS-125		Commons