" Eckert, with his passion for detail and perfection, was the chief engineer. Eckert became so dedicated to the project that he would sometimes sleep next to the machine. Once, as a joke, two engineers picked up his cot and gently moved him to an identical room one floor up; when he awoke he briefly feared the machine had been stolen. "

― Walter Isaacson , The Innovators: How a Group of Hackers, Geniuses and Geeks Created the Digital Revolution