They had the right stuff. They defied the prejudices of the time. And they blazed a trail for generations of women to follow. What does it take to be an astronaut? Excellence at flying, courage, intelligence, resistance to stress, top physical shape -- any checklist would include these. But when America created NASA in 1958, there was another unspoken rule: you had to be a man. Here is the tale of thirteen women who proved that they were not only...