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In the 1950s, NASA relied on human computers. These skilled women did calculations by hand. While astronauts and their accomplishments were well known, human computers often worked behind the scenes. Hidden Heroes: The Human Computers of NASA explores the legacy of NASA's human computers.
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"Why is Lonnie Johnson important? He invented the Super Soaker! Readers follow his journey from a NASA engineer working on missions to Jupiter and Saturn to becoming the inventor of one of the most popular toys in the United States. This story of hard work is filled with engaging text and colorful images, all reviewed by Smithsonian experts"--