Neil Armstrong speaks at a celebration dinner honoring John Glenn in Columbus, Ohio, on Feb. 20, 2012. (Bill Ingalls / Associated Press)
Astronaut Buzz Aldrin, as photographed by Neil Armstrong, on the surface of the moon in 1969. (NASA, AFP/Getty Images)
Buzz Aldrin works beside the Apollo 11 lunar module, photographed by Neil Armstrong, in July 1969. (Neil A. Armstrong / Associated Press)
