True story of six women who programmed the ENIAC computer as part of a secret WWII mission. They learned to program the computer without any software, instructions or tools (none existed.). -- The story of Jean Jennings, Kay McNulty, Frances Bilas, Ruth Lichterman, Betty Snyder, and Marlyn Wescoff, who were chosen to work on the ENIAC computer.

"After the end of World War II, top-secret research continued across the United States as engineers and programmers rushed to complete their confidential assignments. Among them were six pioneering women, tasked with figuring out how to program the world's first general-purpose, programmable, all-electronic computer - a machine built to calculate a single ballistic trajectory in twenty seconds rather than forty hours by human hand - even though there...