NASA
Nasa: Astronaut Biography:john Glenn
Extensive biographical information with personal data, education, special honors, aviation experience, NASA experience and space flight experience.
Ohio State University
Ohio State University: Chronology of John Herschel Glenn
This resource offers a chronology of John Glenn from his birth in 1921 to the present, including important events from his early spaceflights, his political career, and his return to space on board the Space Shuttle Discovery in 1998.
NASA
Nasa: Buildup for the Space Offensive
This site from NASA provides a detailed description of the events immediately preceding the first American in orbit mission of the Mercury spacecraft Friendship 7.
NASA
Nasa: An American in Orbit
This site from NASA provides a detailed description of the first manned American orbital flight of a Mercury spacecraft.
NASA
Nasa: John Glenn the Hero
This site from NASA provides a detailed description of events following the successful 3 Earth orbit mission of the Friendship 7 Mercury spacecraft.