Rees on the "total computing power" of NASA back then

"it was an extraordinary technical triumph--especially as NASA's total computing power then was far less than that of a single mobile phone today."

Martin Rees on "the program to land men on the moon", "Science: the coming century," New York review of books 55, no. 18 (November 20, 2008): 41. Martin Rees is President of the Royal Society and Master of Trinity College, Cambridge. This essay was based on the 2008 Ditchley Foundation Anniversary Lecture.