Eugene A. Cernan (born March 14, 1934) is a former United States astronaut. He has been into space three times: as co-pilot of Gemini 9A in June 1966; as lunar module pilot of Apollo 10 in May 1969; and as commander of Apollo 17 in December 1972, when he became "the last man on the moon". He was also a reserve crew member for the Gemini 12, Apollo 7 and Apollo 14 missions.
Cernan is one of only three men to voyage to the moon on two different occasions (the others being Jim Lovell and John Young), and one of only twelve men to walk on the moon. Cernan orbited the moon on Apollo 10, and landed on the moon on Apollo 17.
Gene Cernan is the author of The Last Man on the Moon, his memoirs of the Apollo program.
