Neil Armstrong (1930-2012)
Neil Alden Armstrong was the first person who stepped on moon.
Armstrong was the mission commander of Apollo 11 moon landing mission. Armstrong and Eugene 'Buzz' Aldrin spent two and half hour on lunar surface. Michel Collins remained in the orbit of the moon to take care of the command module when Armstrong and Aldrin was on moon.
Before moon mission, Armstrong also took part in a space space flight for Gemini 8 mission of NASA in 1966. He was the command pilot of the mission and was one of the first US civilian in space. With co-pilot David Scott, Armstrong performed first manned docking of two spacecrafts in Gemini 8 mission.
Armstrong died on 25th August 2012 at the age of 82 in Cincinnati due to blocked coronary arteries.