“I suggest that going to Mars means permanence on the planet - a mission by which we are building up a confidence level to become a two-planet species.”

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.