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Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden were good at math…really good.
They participated in some of NASA’s greatest successes, like providing the calculations for America’s first journeys into space. And they did so during a time when being black and a woman limited what they could do. But they worked hard. They persisted. And they used their genius minds to change the world.
This book is for readers ages 4-8 and is selling for only 49 cents today.
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