Joe Kerwin Author

David Hitt is a journalist, writer, and editor for NASA Educational Technology Services. Owen Garriott is a former NASA astronaut—and one of the first six scientist-astronauts selected in 1965. He was stationed on Skylab in 1973 and later flew STS-9, the first international Spacelab mission. A former NASA astronaut, Joe Kerwin is also one of the first scientist-astronauts selected in 1965 and flew on the first Skylab mission in 1973. Alan Bean is the former spacecraft commander of Skylab 3 and became the fourth man to walk on the moon in 1969. Homer Hickam is a former NASA engineer.