An account of the previously unheralded but pivotal contributions of NASA's African-American women mathematicians to America's space program describes how they were segregated from their white counterparts by Jim Crow laws in spite of their groundbreaking successes.

"You've likely heard of the historic Apollo 13 [mission]. But do you know about the mathematical genius who made sure that Apollo 13 returned safely home? As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe. From Katherine's...

Discusses how in the 1950s, black women made critical contributions to NASA by performing calculations that made it possible for the nation's astronauts to fly into space and return safely to Earth.-- Edwards and Harris discuss the critical contributions black women made to NASA in the 1950s. They performed by hand the calculations that made it possible for the nation's astronauts to fly into space and return safely to Earth. Their efforts made it...