I was 24 when I joined NACA—later NASA—and was given very challenging work both as a pilot and as an engineer in flight research. I was confident that men of that age could do the job. Additionally, this new Space Age required people who understood digital computers, and most of the people in that category were in their 20s.
Neil Armstrong, from Popular Mechanics “No Margin for Error: The Untold Story of Apollo 11” (June 2009 Issue). Read more about it here.

