“The moon I see now is the same moon I saw before. Except that before, when I looked at it, it was in anticipation of what it would be like when I got there. That's behind me now.”

American astronaut and engineer of the Apollo era, Buzz Aldrin is best known as the second person to walk on the Moon during the Apollo 11 mission in 1969. His career spans pioneering spaceflight, engineering, and advocacy for space exploration, as well as later work as an author and public speaker on science and human achievement.