It is also important to remember that COBOL was the result of design by committee in the attempt to please all parties and not her opus. This is an incredible book about her life and contribution: http://www.amazon.com/Invention-Information-Lemelson-Studies...
A very comprehensive view an lots of great stories in James Gleick's _The Information_: http://www.amazon.com/Information-History-Theory-Flood/dp/14...