Only a dozen men have walked on the surface of the moon, and this Friday marks the 49th anniversary of the groundbreaking Apollo 11 moon landing mission.
Of the 12 Americans who have set foot on the moon, only four are still alive.
From Apollo 11, the first lunar mission on July 20, 1969, Neil Armstrong and Buzz Aldrin took that giant leap for mankind.
Armstrong, an astronaut and aeronautical engineer, retired from NASA in 1971, and served as a corporate spokesperson for several businesses. Though he had a reputation for being reclusive, Armstrong spoke at public events, hosted a science series and taught college. Armstrong died in 2012 at age 82.
Aldrin, who piloted the Apollo 11 mission, was the second man on the moon. He kept a higher public profile as an outspoken advocate for space exploration, including a manned missions to Mars. Read more
Comments