NASA
Nasa: Astronaut Biography:john Glenn
Extensive biographical information with personal data, education, special honors, aviation experience, NASA experience and space flight experience.
NASA
Nasa: Astronaut Biography: m.lopez Alegria
Read biographical facts about this Spanish-born astronaut who is the veteran of three space flights including the Columbia, the Discovery, and the Endeavour.
NASA
Nasa: Liberty Bell Tolls
This site from NASA provides a detailed description of the second flight of a Mercury spacecraft and the second American to travel in space.