In the early decades of the 1900s, mathematical and technical calculations were made manually rather than by machine. This work required a large workforce to compute all the information. With the industrial boom brought on by WWII, organizations like NASA began recruiting women for this work, who they called “computers.” It has even been said that “the first computers wore skirts.”
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Katherine Johnson African-American physicist and mathematician worked as a “computer” on NASA’s early team from 1953-1958, where she analyzed topics such as gust alleviation for aircrafts.
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When NASA used electronic computers for the first time to calculate John Glenn’s first orbit around the earth, officials asked Johnson to verify the computer’s numbers and her reputation for accuracy helped establish confidence in the new technology. Johnson herself went on to use these new computers to aid in calculations until her retirement in 1986.
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