John Young enjoyed the longest career of any astronaut thus far. Over the course of 42 years of active NASA service he made six space flights and is the only person to have piloted, and been commander of four different classes of spacecraft: Gemini, the Apollo Command/Service Module, the Apollo Lunar Module, and the Space Shuttle.
Pete Conrad joined NASA as part of the second group of astronauts, known as the New Nine, on September 17, 1962. He was regarded as one of the best pilots in the group, and was among the first of his group to be assigned a Gemini mission.
The third man to walk on the moon, Charles Conrad Jr. was born on June 2, 1930, in Philadelphia, to Charles and Frances Conrad. He was their third child and their first son.