Counting on Katherine: How Katherine Johnson Saved Apollo 13

By: Helaine Becker


The bold story of Katherine Johnson, an African-American mathematician who worked for NASA during the space race and was depicted in the film Hidden Figures.

Product Description

You’ve likely heard of the historic Apollo 13 moon landing. 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 early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, Counting on Katherine┬áis the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

Additional Information

Weight .45 kg
Dimensions 9.3 × 11.4 × .4 in



Henry Holt and Co.




Helaine Becker


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