Meet the man who helped double-check the sums to keep Apollo 11 safe
The Apollo stories: Dennis Sager was one of the last employees of the human-led backstop for the computation that made t...
The Apollo stories: Dennis Sager was one of the last employees of the human-led backstop for the computation that made t...
Lunar soil expert David Carrier is to thank for the iconic photo of some of the first steps on the moon.