Girl Computers

(American Heritage) ... Both the bombardier and the artillery sergeant depended on the accuracy of the figures they fed into their weapon systems. If the sergeants had known where those numbers had originated, they probably would have been astonished. The data were the work of a group of remarkable women with a flair for mathematics who were employed by the Army: the Philadelphia Computing Section (PCS) at the University of Pennsylvania. Known as "computers" in an age when that term referred not to machines but to human beings, some of the women went on to help create the first electronic computer, ENIAC.
Like the legendary Rosie the Riveters, who toiled in factories and war plants, they were also vital to the war effort, but these computing Rosies worked in secrecy and anonymity, their contributions still largely unknown and unrecognized today. Continued