Mae Jemison
1
David Wolf
2
Curtis Brown
3
Kent Rominger
4
Kevin Kregel
5
Sergei Avdeyev
6
Mark Polansky
7
James Halsell
8
Michael Gernhardt
9
Gregory Harbaugh
10
Richard Searfoss
11
Aleksandr Kaleri
12
68 Year Olds
Top Astronauts