Photograph by NASA

By exploring and understanding Mars, we may gain key insights into the past and future of our own world.

Edwin Eugene Aldrin, Jr. (Known as Buzz Aldrin) — Retired American Astronaut, Engineer, Command Pilot in the U.S. Air Force, and Lunar Pilot on the Apollo 11 Mission. He and Neil Armstrong were the first two humans to land on the Moon, on July 21, 1969 (Born 1930).