Hitting the Books: NASA's Class 8 broke color barriers and glass ceilings alike

America's first astronauts from the 1960s were all pulled from the highest ranks of the nation's military. As such, NASA's first few classes tended to conform to a rather specific demographic theme -- white, male, flattop haircut you could set a watch too. By the mid-70's however, the space agency had gotten with the times and opened up the spacewalking profession to more than former Air Force and Navy test pilots. In The New Guys, author Meredith Bagby follows the exploits of NASA's Astronaut c...