Profiles four women who have been integral to NASA's space program, helping to develop the Hubble Space Telescope, create computer code to send spacecraft to the moon, and work onboard the space shuttle.

"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...