George Nelson
George Nelson, 64 1
Laurel Clark
Laurel Clark (1961-2003) 2
Walter Cunningham
Walter Cunningham, 82 3
James M. Kelly
James M. Kelly, 50 4
David Hilmers
David Hilmers, 64 5
Peggy Whitson
Peggy Whitson, 54 6
Loren Shriver
Loren Shriver, 69 7

Ranked by popularity based on user activity.