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