Gender:
Male
Real/Birth Name:
John Mace Grunsfeld
Birth Date:
Age today:
58, 21 days before his 59th birthday
Traditional Zodiac Sign:
Libra 
- the Scales - people born September 24 through October 23
Birth Place:
Brief Facts:
Physicist. Astronaut, missions
,
,
,
and
. He logged over 58 days in space, including 8 space walks totaling 58 hours 30 minutes.
U.S. Astronaut Hall of Fame 2015.