Alan LaVern Bean was an American naval officer and 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.
Before becoming an astronaut, Bean graduated with a Bachelor of Science degree in Aeronautical Engineering from University of Texas at Austin and re-joined the U.S. Navy—he served as an enlisted member for a year after his high school graduation. In 1956 he received his naval aviator wings, and served as a fighter pilot. In 1960 he graduated from the U.S. Naval Test Pilot School, flew as a test pilot and was The New Nine selection finalist in 1962.
He made his first flight into space aboard Apollo 12, the second crewed mission to land on the Moon, at age 37 in November 1969. He made his second and final flight into space on the Skylab 3 mission in 1973, the second crewed mission to the Skylab space station.