Chris Hadfield
1
Scott Altman
2
Peggy Whitson
3
Carlos Noriega
4
Wendy Lawrence
5
Kathryn Hire
6
Mikhail Korniyenko
7
Douglas Wheelock
8
Richard Mastracchio
9
Timothy Creamer
10
Mikhail Tyurin
11
Doug Wheelock
12
65 Year Olds
Top Astronauts