Black NASA mathematician dies at 101

Katherine Johnson, a mathematician who calculated rocket trajectories and earth orbits for NASA’s early space missions and was later portrayed in the 2016 hit film “Hidden Figures,” about pioneering black female aerospace workers, has died. She was 101.

NASA Administrator Jim Bridenstine said on Twitter that she died on Monday morning. No cause was given. Bridenstine tweeted that the NASA family "will never forget Katherine Johnson's courage and the milestones we could not have reached without her. Her story and her grace continue to inspire the world."

Johnson was one of the "computers" who solved equations by hand during NASA's early years and those of its precursor organization, the National Advisory Committee for Aeronautics.

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