4. Alan L. Bean
Alan L. Bean was the fourth one to land on moon in November 1969 at the age of 37. He was selected by NASA to be a part of Astronaut Group 3in 1963. Alan first flight to space was made in Apollo 12 that was the second manned mission to land on Moon. While his second and the last space flight was in 1973 on the Skylab 3 mission.
5. Alan Shepard
Alan Shepard walks on the Moon surface in 1971 in Apollo 14 mission. He was actually the first American who travel into space in 1961 but at that time he did not landed on Moon surface so technically he is the fifth astronaut to walk on moon.
6. Edgar D. Mitchell
Edgar D. Mitchell travel in space as the Lunar Module Pilot of Apollo 14 mission. He works on the Moon surface in Fra Mauro Highlands region for about nine hours making him the sixth person to walk on the Moon surface. He was also an American NASA astronaut, test pilot, aeronautical engineer, aviator and U.S navy officer.
7. David Randolph Scott
David Randolph Scott landed on moon in 1971 with Apollo 15 mission. NASA selected a third group of astronauts to land on moon in October 1963. He is the only alive commander of a successful Apollo lunar landing mission who has flown a space craft to land on moon surface.
8. James B. Irwin
He is the eighth men to land on moon surface. James was the member of third group of astronauts to land on moon surface in Apollo 15 mission in 1971. He was the youngest and the first of those astronauts to die.