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Buzz Aldrin

Buzz Aldrin is an American former astronaut best known as the lunar module pilot on Apollo 11 and the second person to walk on the Moon.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Buzz Aldrin is an American former astronaut best known as the lunar module pilot on Apollo 11 and the second person to walk on the Moon. He later became an advocate for space exploration, wrote books, and founded space-focused initiatives. His birth name was Edwin Eugene Aldrin Jr.

Early life and education

Edwin Eugene Aldrin Jr. was born in Montclair, New Jersey, on January 20, 1930. He attended the United States Military Academy at West Point and later earned a PhD in astronautics from the Massachusetts Institute of Technology, which helped establish his reputation as an expert in orbital rendezvous and docking.

NASA career

Aldrin was selected as part of NASA's third group of astronauts in 1963. He flew on Gemini 12 before being assigned to Apollo 11. During his NASA career, he helped develop techniques for spacecraft docking and rendezvous.

Apollo 11 lunar landing

As Apollo 11’s lunar module pilot, Aldrin landed on the Moon with Neil Armstrong in July 1969. He became the second person to set foot on the Moon and spent about two hours on the lunar surface during the extravehicular activity (EVA).

Later work and public life

After leaving NASA, Aldrin wrote books, spoke publicly about space exploration, and founded or supported space education efforts. He has remained a prominent figure in the history of human spaceflight.

Key facts

  • Aldrin was the lunar module pilot on Apollo 11, the first crewed lunar landing mission.
  • He became the second human to walk on the Moon after Neil Armstrong.
  • NASA’s biographical material says he was born in Montclair, New Jersey, on January 20, 1930.
  • He earned a PhD in astronautics from the Massachusetts Institute of Technology.
  • After NASA, he became a public advocate for space exploration and space education.
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Canadian context

Buzz Aldrin is relevant to Canadian readers through the global history of human spaceflight and public interest in the Moon landings, which also shaped Canadian space policy, education, and popular culture.

Frequently asked questions

Who is Buzz Aldrin?
Buzz Aldrin is an American former astronaut best known for flying on Apollo 11 and becoming the second person to walk on the Moon.
What was Buzz Aldrin’s birth name?
His birth name was Edwin Eugene Aldrin Jr.
What did Buzz Aldrin do on Apollo 11?
He served as the lunar module pilot and took part in the Moon landing with Neil Armstrong and Michael Collins.
Was Buzz Aldrin the first person on the Moon?
No. Neil Armstrong was first; Aldrin was the second person to walk on the Moon.
What is Buzz Aldrin known for after NASA?
He became an author and public advocate for space exploration and space education.

References

  1. NASAhttps://www.nasa.gov/wp-content/uploads/2016/01/aldrin_buzz.pdf
    Supports: Birthplace, Apollo 11 role, lunar EVA, and NASA career details.
  2. Encyclopaedia Britannicahttps://www.britannica.com/biography/Buzz-Aldrin
    Supports: Birth name, birth date, nationality, and distinction as the second person to set foot on the Moon.
  3. Smithsonian National Air and Space Museumhttps://airandspace.si.edu/explore/stories/buzz-aldrin
    Supports: Apollo 11 role, NASA selection, and educational background.
  4. HISTORYhttps://www.history.com/articles/buzz-aldrin
    Supports: Nickname origin, PhD in astronautics, NASA selection, and Apollo 11 landing context.
  5. EBSCO Research Startershttps://www.ebsco.com/research-starters/biography/buzz-aldrin
    Supports: Military service, education, awards, and later advocacy/work.