Edward Lu
1
Helen Sharman
2
Koichi Wakata
3
Lisa Nowak
4
Heidemarie Stefanyshyn
5
Barry Wilmore
6
Nicole Stott
7
Rex Walheim
8
Michael T. Good
9
Alvin Drew
10
Marcos Pontes
11
Tim Kopra
12
Philippe Perrin
13
63 Year Olds
Top Astronauts
