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Former US President Barack Obama presents the Presidential Medal of Freedom to NASA mathematician Katherine G. Johnson at White House in Washington on November 24, 2015.(REUTERS)

Katherine Johnson, NASA mathematician portrayed in ‘Hidden Figures’, dies at 101

By Reuters | Reuters
UPDATED ON FEB 25, 2020 04:12 PM IST
Johnson was awarded a Presidential Medal of Freedom by former President Barack Obama in 2015 and in 2016 he cited her in his State of the Union Address as an example of America’s spirit of discovery.
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