(Victoria St. Martin/The Washington Post)
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Local

NASA mathematician portrayed in 'Hidden Figures' explains how she helped astronauts

January 18, 2017 | 9:00 PM GMT
Katherine Johnson was portrayed in the Hollywood film "Hidden Figures," which is about the role a group of world-class African American female mathematicians played in the 1960s space race. She explained what she did for NASA in a 2017 interview.