Question: What was the job title of this American engineer and former astronaut aboard Apollo 11, who inspired the musical Moon Landing?

full_context: Document 1: Pete Conrad: Charles "Pete" Conrad Jr. (June 2, 1930 – July 8, 1999), (Captain, USN), was an American NASA astronaut, naval officer and aviator, test pilot, and during the Apollo 12 mission became the third man to walk on the Moon. He set an eight-day space endurance record along with his Command Pilot Gordon Cooper on the Gemini 5 mission, and commanded the Gemini 11 mission. After Apollo, he commanded the Skylab 2 mission (the first manned one), on which he and his crewmates repaired significant launch damage to the Skylab space station. For this, President Jimmy Carter awarded him the Congressional Space Medal of Honor in 1978.
Document 2: Moon Landing (music drama): Moon Landing is a musical with book, lyrics and music by Stephen Edwards. The story, from an original idea and synopsis by Justin Fleming, is based on the American Space Race and the Apollo 11 spaceflight which on July 20, 1969 landed the first humans on the Moon and is seen through the eyes of Buzz Aldrin, the second man to walk on the moon.
Document 3: Michael Collins (astronaut): Michael Collins (born October 31, 1930) (Major General, USAF, Ret.), is an American former astronaut and test pilot. Selected as part of the third group of fourteen astronauts in 1963, he flew into space twice. His first spaceflight was on Gemini 10, in which he and Command Pilot John Young performed two rendezvous with different spacecraft and Collins undertook two extra-vehicular activities (EVAs). His second spaceflight was as the Command Module Pilot for Apollo 11. While he stayed in orbit around the Moon, Neil Armstrong and Buzz Aldrin left in the Lunar Module to make the first manned landing on its surface. He is one of 24 people to have flown to the Moon.
Document 4: Moonwalk One: Moonwalk One is a feature-length documentary film about the flight of Apollo 11, which landed the first humans on the moon. Besides portraying the massive technological achievement of that event, the film places it in some historical context, and tries to capture the mood and feel of the people on Earth at the time when man first walked on another world.
Document 5: Moon Shot: Moon Shot: The Inside Story of America's Race to the Moon is a book written by Mercury Seven astronaut Alan Shepard, with NBC News correspondent Jay Barbree and Associated Press space writer Howard Benedict. Astronaut Donald K. "Deke" Slayton is also listed as an author, although he died before the project was completed and was an author in name only. The book was published in 1994. It was turned into a television miniseries that aired on TBS in the United States in 1994. The miniseries was narrated by Barry Corbin (as Slayton) and featured interviews with several American astronauts as well as a few Russian cosmonauts. Slayton died before the miniseries completed production in 1993 and the miniseries is dedicated to his memory.
Document 6: Fly Me to the Moon: "Fly Me to the Moon", originally titled "In Other Words", is a song written in 1954 by Bart Howard. Kaye Ballard made the first recording of the song in 1954. Since then it has become a frequently recorded jazz standard often featured in popular culture; Frank Sinatra's 1964 version was closely associated with the Apollo missions to the Moon, and the Japanese animated series "Neon Genesis Evangelion" played the song (as covered by various artists) at the end of every episode.
Document 7: A Funny Thing Happened on the Way to the Moon: A Funny Thing Happened on the Way to the Moon is a 2001 film written, produced and directed by Nashville-based filmmaker Bart Sibrel. Sibrel is a critic of the Apollo program and proponent of the conspiracy theory that the six Apollo Moon landing missions between 1969 and 1972 were elaborate hoaxes perpetrated by the United States government, including NASA.
Document 8: Pete Conrad: Charles "Pete" Conrad Jr. (June 2, 1930 – July 8, 1999), (Captain, USN), was an American NASA astronaut, naval officer and aviator, test pilot, and during the Apollo 12 mission became the third man to walk on the Moon. He set an eight-day space endurance record along with his Command Pilot Gordon Cooper on the Gemini 5 mission, and commanded the Gemini 11 mission. After Apollo, he commanded the Skylab 2 mission (the first manned one), on which he and his crewmates repaired significant launch damage to the Skylab space station. For this, President Jimmy Carter awarded him the Congressional Space Medal of Honor in 1978.
Document 9: Stuart Roosa: Stuart Allen "Stu" Roosa (August 16, 1933 – December 12, 1994), (Col, USAF), was an American aeronautical engineer, United States Air Force pilot, test pilot, and NASA astronaut, who was the Command Module Pilot for the Apollo 14 mission. The mission lasted from January 31 to February 9, 1971 and was the third mission to land astronauts (Alan Shepard and Edgar Mitchell) on the Moon. While Shepard and Mitchell spent two days on the lunar surface, Roosa conducted experiments from orbit in the Command Module "Kitty Hawk". He was one of only 24 people to travel to the Moon.
Document 10: First on the Moon (1970 book): First on the Moon: A Voyage with Neil Armstrong, Michael Collins and Edwin E. Aldrin, Jr. (ISBN  ) is a book by the crew of the Apollo 11 Moon landing (Neil Armstrong, Michael Collins, Buzz Aldrin) in collaboration with Gene Farmer and Dora Jane Hamblin, first published in 1970. It describes the events leading up to and during the Apollo 11 mission, the first manned landing on the Moon. It was first published in June 1970 by Little, Brown and Company.
Document 11: First Man: The Life of Neil A. Armstrong: First Man: The Life of Neil A. Armstrong is the official biography of Neil Armstrong, the astronaut who became the first man to walk on the Moon on July 20, 1969. Written by James R. Hansen, it was published in 2005 by Simon & Schuster. The book describes Armstrong's involvement in the United States space program, culminating with the fateful Apollo 11 mission, while also detailing his personal life and upbringing.
Document 12: Richard F. Gordon Jr.: Richard Francis "Dick" Gordon Jr. (born October 5, 1929), (Capt, USN, Ret.), is a former American naval officer and aviator, chemist, test pilot, and NASA astronaut. He is one of only 24 people to have flown to the Moon, as the Command Module Pilot for the Apollo 12 mission.
Document 13: We Too Walked on the Moon: The year 1969. Kinshasa, Congo. On July 21, the Apollo 11 is going to land on the Moon. Tanga and Nika, husband and wife, wait for Sister Mwezi to spend a “Moon” evening with Nika’s brother Muntu-wa-Bantu. However, the nun does not appear. The Moon is full. Muntu-wa-Bantu holds the transistor radio up to his ear as he stares at the Moon. He wants to see the first steps of mankind on the Moon for himself. But no matter how long he stares, he cannot see what they are saying on the radio. Can the Moon be that far away? That night, Muntu-wa-Bantu decides that he too will walk on the Moon.
Document 14: Alan Bean: Alan LaVern Bean (born March 15, 1932), (CAPT, USN, Ret.), is an American former naval officer and Naval Aviator, aeronautical engineer, test pilot, and NASA astronaut; he was the fourth person to walk on the Moon. He was selected to become an astronaut by NASA in 1963 as part of Astronaut Group 3. He made his first flight into space aboard Apollo 12, the second manned mission to land on the Moon, at the age of thirty-seven years in November 1969. He made his second and final flight into space on the Skylab 3 mission in 1973, the second manned mission to the Skylab space station. After retiring from the United States Navy in 1975 and NASA in 1981, he pursued his interest in painting, depicting various space-related scenes and documenting his own experiences in space as well as that of his fellow Apollo program astronauts.
Document 15: Buzz Aldrin: Buzz Aldrin (born Edwin Eugene Aldrin Jr.; January 20, 1930) is an American engineer and former astronaut. As the Lunar Module Pilot on Apollo 11, he was one of the first two humans to land on the Moon, and the second person to walk on it. He set foot on the Moon at 03:15:16 on July 21, 1969 (UTC), following mission commander Neil Armstrong. He is a former U.S. Air Force officer with the Command Pilot rating. He also went into orbit on the Gemini 12 mission, finally achieving the goals for EVA (space-walk work) that paved the way to the Moon and success for the Gemini program; he spent over five hours on EVA on that mission.
ground_truth: Lunar Module Pilot