Chris Hadfield
1
Steven Smith
2
Clayton Anderson
3
Andre Kuipers
4
Fyodor Yurchikhin
5
Wendy Lawrence
6
Abdul Ahad Mohmand
7
Nancy Currie
8
Scott Altman
9
Kathryn Hire
10
Brent Ward Jett Jr.
11
66 Year Olds
Top Astronauts