What is John M. Grunsfeld's middle name?
M.
John M. Grunsfeld date of birth:
October 10, 1958
How old is John M. Grunsfeld?
66
Where was John M. Grunsfeld born?
Chicago, Illinois
What is John M. Grunsfeld nationality?
American
What is John M. Grunsfeld's occupation?
Scientist
Short Biography
John Mace Grunsfeld (born October 10, 1958) 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 is currently serving as associate administrator of NASA's Science Mission Directorate (SMD).