David S. F. Portree,
NASA's Origins and the Dawn of the Space Age
“ Foreword When future generations review the history of the twentieth century, they will undoubtedly judge humanity's movement into space, with both machines and people, as one of its seminal developments. Even at this juncture, the compelling nature of spaceflight—and the activity that it has engendered on the part of many peoples and governments—makes the U.S. civil space program a significant area of investigation. People from all avenues of experience and levels of education share an interest in the drama of spaceflight. ”
